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: I always did well in that topic, but I alway struggled in the other subject, because the _ was a lot easier.

A: topic
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Q: The bike manufacturer switched its fabrication from steel to aluminium frames because the _ was lighter.

A: aluminium
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Q: For a romantic encounter, we left the house and went to the barn, as the _ was a stifling environment.

A:
house
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