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: The car engine outperformed the bus engine simply because the _ was inefficient during the test run.

A: bus
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Q: Last year we replaced the cement patio with a brick patio because the _ patio looked gawdy.

A: cement
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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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