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>
Miklós Ybl Miklós Ybl (6 April 1814 in Székesfehérvár – 22 January 1891 in Budapest) was one of Europe's leading architects in the mid to late nineteenth century as well as Hungary's most influential architect during his career. His most well-known work is the Hungarian State Opera House in Budapest (1875–84). After graduating from the Institute of Technology (the Politechnikum) in Vienna, Ybl became Mihály Pollack's assistant in 1832 and worked in Henrik Koch's office between 1836 and 1840. Following this, he moved to Munich and then to Italy to study. After his return, he entered into partnership with the son of Mihály Pollack, Ágoston; together they refurbished the Ikervár castle of Count Lajos Batthyány. His first main work was the church in Fót, built between 1845 and 1855. His early, large projects were built in Romantic style, influenced by eastern motifs. Although Romanesque shapes also occur in his later buildings, after his second study tour to Italy from 1860 he became interested in the possibility of the revitalisation of the Italian Renaissance style, and designed several neo-Renaissance buildings. Many of his buildings became, and indeed are still today, determinant elements of the cityscape of Budapest: Saint Stephen's Basilica (1867–91), the Rác Thermal Bath, the former Palace of Customs, (1871–74), and the throne room and Krisztinaváros wing of the Royal Palace. He also built countless churches, apartments and castles in the provinces. The annual architectural prize founded in 1953 was named after him in his honor. Gallery Major works 1845-1849. Fót, Károlyi castle rebuilding 1845-1855. Fót, Roman Catholic church cc. 1852. Budapest, Grabovszky – (Rózsa-) villa 1857-58. Budapest, National stables cc. 1860. Albertirsa, Szapáry chapel crypt cc. 1860. Leányfalu, Gyulai-villa cc. 1860. , Wenckheim castle 1860-1864. Nagycenk, R.C. church from 1862 Kecskemét, Evangelical church 1862-1865. Budapest, Festetics palace 1863. Budapest, German theatre (not built) from 1863. Budapest, Károly palace 1863-1864. Budapest, MTA building cc. 1865. Fegyvernek, Szapáry castle 1865-1866. Budapest, old parliament building 1865-1879. Budapest, R.C. church, Bakáts squ. 1867. Budapest, Pálffy palace 1867-1891. Budapest, Szent István basilica. Began by Hild, continued by Ybl and finished by J. Kauser 1870-1874. Budapest, Customs house 1871. Budapest, Margit bridge (not built) cc. 1872. Parád, Ybl Hotel 1873-1884. Budapest, Hungarian State Opera House 1874-1982. Budapest, Castle kiosk and bazaar 1875-1879. Ókígyós, Wenckheim castle 1880-1882. Parádsasvár, Károlyi castle 1880-1891. Budapest, Castle hill remodelling 1882-1888. Budapest, Budapest Clarisseum R.C. church 1883-1884. Budapest, Széchenyi palace (demolished) cc. 1888. Parád, Erzsébet Hotel and other structures in Csurgó, Doboz, Kétegyháza, Lengyeltóti, Mácsa, Marcali, Ókigyós, Surány, etc. See also List of Hungarian architects External links http://www.mek.iif.hu/porta/szint/egyeb/lexikon/eletrajz/html/ABC16235/16239.htm Category:1814 births Category:1891 deaths Category:People from Székesfehérvár Category:Hungarian-German people Category:Burials at Kerepesi Cemetery Category:19th-century Hungarian architects
</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.