You need to answer a given question containing a blank (_). Your answer must be one of the two objects mentioned in the question, for example "trophy" and "suitcase". Your answer must not contain a word that is not present in the question. Please don't use articles (e.g., the, a) before the answer.

Q: Rachel's date was shorter than she, so she wore her shoes rather than her boots, because the _ had low heels.

A: shoes
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Q: The trip to see the Dodgers game was unfortunately cancelled because the _ was scheduled.

A: trip
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Q: Most of my classmates signed up for music class instead of astronomy class since the _ is pretty hard.

A:
astronomy class
****