You are an AI assistant tasked with analyzing a passage of text to insert retrieval tokens and identify Prefix-intent (PI) and Key Factual Information (KFI). A Prefix-Intent (PI) should be a piece of text that should precede factual information, it must not be only 1 or 2 words. Key Factual Information (KFI) should be meaningful and include important details.

Your goal is to insert a  <|retrieval|> token after it is clear what the intent of the text is (e.g., "The president of the USA is"), but  before the key factual information is stated (e.g., "Joe Biden"). Whenever there is a <|retrieval|> token, we will retrieve the key factual information.

Here is the passage you will be working with:

<passage>
|1921 | |- | The Scarlet Pimpernel | September–October 1792 |1905 | |- | Sir Percy Leads the Band | January 1793 |1936 | |- | The League of the Scarlet Pimpernel | July 1793 |1919 | |- | I Will Repay | August–September 1793 |1906 | |- | The Elusive Pimpernel | September–October 1793 |1908 | |- | Lord Tony's Wife | November–December 1793 |1917 | |- | The Way of the Scarlet Pimpernel | late 1793 |1933 | concurrent with preceding 2 or 3 novels |- | Eldorado | January 1794 |1913 | |- | Mam'zelle Guillotine| January 1794 |1940 | concurrent with Eldorado|- | Sir Percy Hits Back| May–June 1794 |1927 | |- | Adventures of the Scarlet Pimpernel| 1794? |1929 | exact dates unclear |- | The Triumph of the Scarlet Pimpernel| April 1794 |1922 | seems to have happened later than dates indicate |- | A Child of the Revolution| July 1794 |1932 | |- |In the Rue Monge (short story) |1790s |1931 |unknown when set as no dates are mentioned |- |Pimpernel and Rosemary| 1922–1924 |1924 | |} Adaptations Hollywood took to the Pimpernel early and often, although most of the Pimpernel movies have been based on a melange of the original book and another Orczy novel, Eldorado. The best known of the Pimpernel movies is the 1934 The Scarlet Pimpernel starring Leslie Howard, which is considered the definitive adaptation by some. Films In 1923, Fred Terry and Julia Nelson bought the sole performance right to a stageplay based on The Scarlet Pimpernel. Orczy sued the two in an attempt to claim a separate right of performance for films, but was unsuccessful. As a result of the case, people who controlled a stage performance right under the English Copyright Act were entitled to create films with the same right. The Scarlet Pimpernel (1917; silent) starring Dustin Farnum, Winifred Kingston and William Burress The Laughing Cavalier (1917; silent) The Elusive Pimpernel (1919; silent) starring Cecil Humphreys, Maire Blanche and Norman Page The Triumph of the Scarlet Pimpernel (1928) starring Matheson Lang The Scarlet Pimpernel (1934) starring Leslie Howard, Merle Oberon and Raymond Massey The Return of the Scarlet Pimpernel (1937) starring Barry K. Barnes, Sophie Stewart and Francis Lister "Pimpernel" Smith (1941), (aka Mister V in the US) starring Leslie Howard, Mary Morris and Francis L. Sullivan Pimpernel Svensson (1950) starring Edvard Persson, Aurore Palmgren and Ivar Wahlgren The Elusive Pimpernel (1950), aka The Fighting Pimpernel in the US, starring David Niven, Margaret Leighton and Cyril Cusack Don't Lose Your Head (1966) (aka Carry On Pimpernel—US) starring Sid James, Kenneth Williams and Jim Dale The Elusive Pimpernel (1969) starring Anton Rodgers, Diane Fletcher and Bernard Hepton The Scarlet Pimpernel (1982) starring Anthony Andrews, Jane Seymour and Ian McKellen Stage The Scarlet Pimpernel (1997), a 1997 Broadway musical composed by Frank Wildhorn and written by Nan Knighton, the production starred Douglas Sills as Sir Percy Blakeney, Christine Andreas as Marguerite Blakeney, and Terrence Mann as Citizen Chauvelin The Scarlet Pimpernel (2008), a Broadway-style Japanese adaptation, performed by the popular all-women's Takarazuka Revue in Hyogo and Tokyo, Japan The Scarlet Pimpernel (2016), the Broadway 1997 version translated into Japanese, performed by Umeda Art's Theatre in Osaka and Tokyo, Japan Television The Scarlet Pimpernel (1955–1956 British television series) starring Marius Goring, Stanley Van Beers & Patrick Troughton The Scarlet Pimpernel (1960) (TV) Den Røde Pimpernell (1968), Norwegian television series, broadcast by NRK (TV) The Scarlet Pimpernel (1982) (TV), starring Anthony Andrews as Sir Percy, Jane Seymour as Marguerite, and Ian McKellen (then known primarily as a stage actor)
</passage>

Follow these steps to complete the task:

1. Inserting retrieval tokens:
   a. Read through the text carefully.
   b. Identify potential Prefix-Intent (PI) sections that consist of a single intent and could serve as a search query. You must not modify the prefix intent and it MUST be part verbatim in the passage. It cannot be single or only a few words.
   c. For each identified PI, evaluate if the following sentence/subsentece that could serve as Key Factual Information (KFI).
   d. Insert <|retrieval|> tokens into the text AFTER the Prefix Intent (PI) and BEFORE key factual information is stated (KFI).
   e. Key Factual information should not intersect with Prefix Intent.

2. Identifying Prefix-Intent (PI) and Key Factual Information (KFI):
   a. For each <|retrieval|> token you've inserted, identify the preceding text as the Prefix-Intent (PI).
   b. Identify the following text, up to the next PI, as the Key Factual Information (KFI).
   c. Ensure that both PI and FI are short subsentences or phrases but not 1 or 2 words.

3. Insert <|start-PI|>,<|end-PI|>, <|start-KFI|>, <|end-KFI|>.
   a. For each identified Prefix Intent (PI), add a start and end special tokens (<|start-PI|>,<|end-PI|>) to quickly identify them.
   b. Do the same for the Key Factual Information (KFI) (<|start-KFI|>, <|end-KFI|>)
   c. Ensure that the very first PI in the passage is preceded by <|start-PI|>.
   d. Double-check that every PI and KFI is properly enclosed in these tags.

4. Describing ideal retrieved information:
   a. Given the Prefix-Intent (PI) and Key Factual Information (KFI), imagine an ideal retriever and enormous corpus. 
   b. Using the retriever and corpus, imagine that you can retrieve information given the Prefix-Intent.  
   c. Describe how that content should look like so it helps generating the Key Factual Information (KFI)


5. Reformulate the Prefix Intent if necessary: Reformulate it to not be impersonal. This means that if the subject it is not identified (e.g. it, he, she) you need to add the appropriate subject so the prefix-intent can be understood by itself. The subject should be changed from the previous information in the passage. Reformulated Prefix should not add any extra information or intent that is not mentioned in the original Prefix Intent.


6. Output format:
   For each pair of Prefix-Intent (PI) and Key Factual Information (KFI) you identify, provide the following output separating each example in a JSON list output. Ensure that it is actually a JSON.

   - Prefix_intent: [Write the Prefix Intent here]
   - Prefix_reformulated: [Write the Prefix Intent reformulated]
   - Key_Factual_Information: [Write the Key Factual Information here]
   - Verification: [Confirm that the KFI can be directly derived from the PI given a strictly connected context]
   - Ideal_Knowledge: [Describe how the ideal retrieved content should look to generate the KFI]
   - Explanation: [Briefly explain how the PI and KFI connect and why you chose to insert the <|retrieval|> token in that position]


7. Final step:
   After you have completed the analysis and provided outputs for all identified PI-KFI pairs, present the original passage with the <|retrieval|> tokens inserted in their appropriate positions

Here's an example of the expected output format:

Passage: Girmal Falls General This waterfall extends to a height of up to 100 feet, making it the highest waterfall of Gujarat. The picturesque beauty of this site makes it popular among visitors and people of the region alike. The water swiftly falls from a great height, creating a fog like condition that’s eye catching. The government of this state is working on many projects to make this place an ideal picnic spot and a tourist attraction. The fall comes to its best form at the time of monsoon and provides an immensely striking appearance. Some of the best natural features of Gujarat can be explored in this place. This place is a nice and refreshing retreat for any traveler.

```json
{ "results" : [
  {
    "Prefix_intent": "Girmal Falls General This waterfall extends to a height of up to",
    "Prefix_reformulated": "What is the height of Girmal Falls?",
    "Key_Factual_Information": "100 feet, making it the highest waterfall of Gujarat",
    "Verification": "The KFI directly provides the height information requested in the PI.",
    "Ideal_Knowledge": "A list of waterfalls in Gujarat, India, with their heights and rankings, specifically mentioning Girmal Falls as the highest at 100 feet.",
    "Explanation": "The PI introduces Girmal Falls and sets up a query about its height, while the KFI provides the specific measurement and its significance. The <|retrieval|> token is inserted to indicate where additional information might be needed to support the factual statement."
  },
  {
    "Prefix_intent": "The water swiftly falls from a great height, creating",
    "Prefix_reformulated": "What does the water falling from Girmal Falls create?",
    "Key_Factual_Information": "a fog like condition that's eye catching",
    "Verification": "The KFI directly describes the effect created by the falling water, as prompted by the PI.",
    "Ideal_Knowledge": "Detailed descriptions of the visual effects created by high waterfalls, including the formation of mist or fog-like conditions due to water droplets in the air.",
    "Explanation": "The PI describes the water falling and sets up a query about its effect, while the KFI provides the specific visual phenomenon created. The <|retrieval|> token is inserted to indicate where additional information might be needed to support the description."
  },
  {
    "Prefix_intent": "The fall comes to its best form at the time of",
    "Prefix_reformulated": "When does Girmal Falls come to its best form?",
    "Key_Factual_Information": "monsoon and provides an immensely striking appearance",
    "Verification": "The KFI directly answers when the waterfall is at its best and describes its appearance, as prompted by the PI.",
    "Ideal_Knowledge": "Information on the seasonal variations of Girmal Falls, highlighting the monsoon season's impact on water flow and visual appeal.",
    "Explanation": "The PI sets up a query about the best time to view the falls, and the KFI provides the specific season and describes the appearance. The <|retrieval|> token is inserted to indicate where additional information about seasonal changes might be needed."
  }],
"Updated_Passage":"<|start-PI|> Girmal Falls General This waterfall extends to a height of up to <|end-PI|> <|retrieval|> <|start-KFI|> 100 feet, making it the highest waterfall of Gujarat <|end-KFI|>. The picturesque beauty of this site makes it popular among visitors and people of the region alike. <|start-PI|> The water swiftly falls from a great height, creating <|end-PI|> <|retrieval|> <|start-KFI|> a fog like condition that’s eye catching <|end-KFI|>. The government of this state is working on many projects to make this place an ideal picnic spot and a tourist attraction. <|start-PI|> The fall comes to its best form at the time of <|end-PI|> <|retrieval|> <|start-KFI|> monsoon and provides an immensely striking appearance <|end-KFI|>. Some of the best natural features of Gujarat can be explored in this place. This place is a nice and refreshing retreat for any traveler."
}

```
8. Final check:
  a. Review the Updated_Passage to ensure all PIs and KFIs are properly tagged.
  b. Verify that the first PI in the passage starts with <|start-PI|>.
  c. Make sure there are no missing or misplaced tags.
 
Remember to analyze the entire passage, identify all relevant PI-KFI pairs, and provide the output for each pair as specified. After completing the analysis, present the original passage with the <|retrieval|> tokens inserted in their appropriate positions as part of a new key in the JSON file. Only Ouput the JSON File.