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: Condense this film info for me into only two sentences: 

What is this film about?
The official synopsis for "Guardians of the Galaxy Vol. 3" from Marvel Studios reads:


"Peter Quill, still reeling from the loss of Gamora, must rally his team around him to defend the universe along with protecting one of their own. A mission that, if not completed successfully, could quite possibly lead to the end of the Guardians as we know them."

As evidenced from the film's trailers, it seems as though the Guardians will be protecting Rocket from the High Evolutionary, as the two of them apparently have an intense backstory.

PHOTO: Rocket (voiced by Bradley Cooper) is shown in Marvel Studios' Guardians of the Galaxy Vol. 3.
Rocket (voiced by Bradley Cooper) is shown in Marvel Studios' Guardians of the Galaxy Vol. 3.
Courtesy of Marvel Studios
Cooper confirmed as much when speaking to "GMA" at the film's premiere, saying, "Honestly, it was very emotional to play [Rocket]."

MORE: Bradley Cooper reveals what playing Rocket meant to him in 'Guardians of the Galaxy'
"You really get a chance to understand how he came to be," Cooper continued. "Rocket went through a lot."

PHOTO: Chukwudi Iwuji appears as The High Evolutionary in Marvel Studios' Guardians of the Galaxy Vol. 3.
Chukwudi Iwuji appears as The High Evolutionary in Marvel Studios' Guardians of the Galaxy Vol. 3.
Courtesy of Marvel Studios
Iwuji teased the High Evolutionary's villainy, saying, "He is such a great villain to play. I had so much fun playing him."

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"He's bad ... he's really bad," he added. "He really does do some horrible things, but it's a joy to play those [roles]."
Response: Guardians of the Galaxy Vol. 3 focuses on Peter Quill, who is still getting over Gamora's death, as he and the others protect Rocket from the High Evolutionary. You get to see how Rocket came to be and a great villain who does horrible things. 

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 text about summarization techniques:

Text summarization is the process of creating a concise and precise summary of a longer text while focusing on the major points and key information. There are two main types of summarization techniques: extraction and abstraction. Extractive summarization involves identifying the most important sentences or phrases from the original text and combining them to form a summary. This method is generally faster and easier to implement but may result in a less cohesive or less natural-sounding summary. Abstractive summarization, on the other hand, involves interpreting the original text and generating a new, concise summary using different words and phrases. This approach can produce more coherent and readable summaries but is more complex and computationally intensive.

Summarization techniques can be further categorized as supervised, unsupervised, or semi-supervised depending on the type of training data used. Supervised methods require a large dataset of text-summary pairs to train a model to generate summaries, while unsupervised methods attempt to identify the most important information without any pre-existing summaries. Semi-supervised methods combine both approaches, utilizing a small set of labeled data with a larger set of unlabeled data.

Summarization algorithms often incorporate techniques from natural language processing, such as keyword extraction, topic modeling, and sentence scoring. Evaluation metrics like ROUGE (Recall-Oriented Understudy for Gisting Evaluation) are commonly used to assess the quality of generated summaries by comparing them to human-written reference summaries.
user
Text summarization involves creating a concise summary of a longer text using either extractive techniques, which identify and combine important sentences/phrases, or abstractive techniques, which generate new text. It can be supervised, unsupervised, or semi-supervised based on the training data used. Summarization algorithms often use natural language processing methods and are evaluated against human-written summaries.
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