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: Preston liked learning violin better than piano at music class, because the _ hurt his back.

A: piano
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Q: Jack turned on the fan in the bathroom, but the odor was still there after 30 minutes. The _ was weak.

A: fan
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Q: The windshield of the car needed to be replaced since a rock hit the glass. The _ was intact.

A:
rock
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