The main idea of a text corresponds to the central subject which the text will deal with, that is, it corresponds to its theme.
There are several techniques that can help you find the main idea, such as summarizing the text in your own words and reading the introductory paragraph and the conclusion of the text objectively, identifying keywords and repetitions.
Therefore, this activity can be carried out from the identification of the central idea of both texts and the comparison between them to identify whether one supports or refutes the other.
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