Kai's opinion was told by Carson's about the food the liked. Given that the answer to a question is "they knew what food Kai liked", what is the question?
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Answer: Why did Carson do this?

Alex seemed to notice that someone had been watching him. Given that the answer to a question is "fearful as to why", what is the question?
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Answer: How would Alex feel afterwards?

Cameron gave Addison value as an employee and Addison really appreciated it. Given that the answer to a question is "be nice", what is the question?
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Answer:
Why did Cameron do this?