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An example of a prompt for text summarization that includes a specific constraint is the instruction: 'Summarize this text in three sentences.' This command directs a Large Language Model not only to perform the summarization task but also to adhere to a strict output length of exactly three sentences.

Example of a Summarization Prompt with a Sentence Constraint

You are given the following prompt for a language model: 'Summarize the provided article about the history of the internet.' Your goal is to ensure the model's summary is very brief, consisting of only two sentences. How would you modify the original prompt to include this specific length requirement?

Applying a Length Constraint to a Prompt

Based on the scenario below, explain why the initial instruction failed to produce the desired output and write a revised instruction that is more likely to generate a summary of the specified length.

Refining a Summarization Prompt

A user gives a language model the following instruction and text:

**Instruction:** 'Summarize the following text in exactly one sentence.'

**Text:** 'The sun is a star at the center of our solar system. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field. Its diameter is about 109 times that of Earth, and its mass accounts for about 99.86% of the total mass of the solar system.'

The model produces this output:

**Output:** 'The sun is t

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