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: Mike was hit by the gun at his foot then killed by the bat on his head, the effect of the _ was minimum.

A: gun
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Q: I used a battery to take pictures with the camera and put them in an album until the _ needed charging.

A: battery
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Q: The rock was worth more money than the stone, because the _ was more rare.

A:
rock
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