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: Summarize this paragraph to only provide the key details in one sentence.

The Underneath is a 1995 American crime film directed by Steven Soderbergh and starring Peter Gallagher and Alison Elliott. The film is based on the novel Criss Cross by Don Tracy, and is a remake of the original 1949 film adaptation. The plot revolves around many themes common to film noir, including romantic intrigue, a botched robbery, and a surprise ending.
Response: Based on the novel Criss Cross by Don Tracy, the 1995 American crime film The Underneath directed by Steven Soderbergh and starring Peter Gallagher and Alison Elliot involves many themes common to film noir.

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.

Summarize the following passage in one concise sentence: In its heyday in the late 19th and early 20th centuries, the British Empire was the largest and most powerful empire in world history, encompassing territories on every inhabited continent and ruling over a population that represented almost a quarter of the world's people. Its influence was vast, impacting global trade, culture, and politics.
user
The British Empire, during the late 19th and early 20th centuries, was the largest and most powerful empire, influencing global trade, culture, and politics.
assistant