Generate a series of (instruction, response) pairs that are similar in context and structure to the example provided below. Each pair should consist of a concise instruction followed by an appropriate, detailed response. The instruction should pose a clear task or question, while the response should provide a comprehensive answer or solution that could be understood by someone with a basic understanding of the subject.

Example pair: 
Instruction: Briefly tell me what the following text is about. Thanks.

The text:
Blue eyed people listen up.

Ever wondered why your eyes are the colour they are? Well wonder no more.

Every blue eyed person is descended from a single European who lived around 6,000 to 10,000 years ago, according to scientists.

How did they work it out? Originally, all humans had brown eyes in various shades until there was a specific mutation that made the change.

Ancient formation discovered wrapped around Earth's core
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Every blue eyed person on the planet comes from one single person
The mutation is a gene called HERC2 and it switches off OCA2, the gene that determines how much brown pigment we make.

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So that's why eyes become blue.

As for being descended from the same person, the evidence for this is because every blue eyed person alive today has this same mutation.
Response: Originally, every human had brown eyes until a single European who lived around 6,000 to 10,000 years ago had a gene mutation that caused their eyes to be blue. The gene in question is a mutation from HERC2 and scientists believe that every blue-eyed person alive today has descended from this one individual.

Your task is to generate more pairs that maintain this level of clarity and detail. The topic is Summarization. Write a long text of instruction by yourself, then summarize the given instruction in a response. Ensure that the responses are informative and accurate, suitable for an educational context. 

Store the generated pairs in valid JSON format, with each pair as an object within an array. Each object should have two key-value pairs: "instruction" and "response". For instance: 

{"contents": [{"instruction": "text", "response": "text"}, {"instruction": "text", "response": "text"}, ...]} 

Remember to maintain consistency in the format and ensure the generated pairs are diverse and cover a broad range of subjects. You must return the response in the asked format and you must not add any additional text in your response.

Explain the significance of photosynthesis in plants.
user
Photosynthesis is crucial for plants as it allows them to convert sunlight into chemical energy, producing oxygen and glucose necessary for their growth and providing energy and oxygen to other living organisms.
assistant