Summarize the following instructional paragraph on the techniques used in text summarization: Text summarization techniques can be broadly categorized into two main approaches: extractive and abstractive. Extractive summarization involves identifying and extracting the most important sentences or phrases from the original text and concatenating them to form a summary. This method preserves the original wording and phrasing of the source material. On the other hand, abstractive summarization involves generating entirely new sentences that capture the essence of the original text, often using advanced natural language processing and machine learning techniques. Abstractive summaries are typically more concise and coherent but require more complex algorithms to generate human-like summaries.
Summarize the following instructional paragraph on the techniques used in text summarization: Text summarization techniques can be broadly categorized into two main approaches: extractive and abstractive. Extractive summarization involves identifying and extracting the most important sentences or phrases from the original text and concatenating them to form a summary. This method preserves the original wording and phrasing of the source material. On the other hand, abstractive summarization involves generating entirely new sentences that capture the essence of the original text, often using advanced natural language processing and machine learning techniques. Abstractive summaries are typically more concise and coherent but require more complex algorithms to generate human-like summaries.
user
The two main approaches to text summarization are extractive and abstractive. Extractive summarization identifies and extracts the most important sentences or phrases from the original text to form a summary, preserving the original wording. Abstractive summarization generates entirely new sentences that capture the essence of the text, using natural language processing and machine learning techniques, resulting in more concise and coherent summaries.
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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 in a few sentences:
GLADSTONE INSTITUTE OF VIROLOGY AND IMMUNOLOGY
1991
Gladstone launches the Gladstone Institute of Virology and Immunology (GIVI) to address the rising HIV/AIDS crisis. Over the following years, GIVI helps define the life cycle of HIV, paving the way for many medications currently in use, and leads the groundbreaking iPrEx study, showing how a daily pill can prevent HIV infection in people likely to come in contact with the virus.
Response: In 1991, Gladstone Institute of Virology and Immunology is founded. It defines the life cycle of HIV and leads the iPrEx study, showing that a daily pill can prevent HIV.

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.
