The central idea in a story simply means the dominant impression that's found in a story.
Your information is incomplete as you didn't provide the paragraphs or the author. Therefore, an overview will be given.
A central idea simply means the main idea that is contained in a literary work.
It's the main idea that can be found in the work. In this case, it's important to read and understand the story. Also, understand the theme in the story. Then the paragraph that illustrates the central idea can be gotten.
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