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: My new routine was going to fit in my schedule, because the _ was very empty.

A: schedule
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Q: We cannot see the coin at the base of the pool but we can see it at the base of the drum. The _  is shallow.

A: drum
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Q: I brought out my key-chain and tried a key in the lock, but the _ wouldn't turn.

A:
key
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