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.
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Question: Jenna added chlorine gradually to her pool, because she wanted to make sure that the _ was making it cleaner.

Answer: chlorine


Question: In order to maintain his wits about himself, Jimmy decided to drink beer instead of whisky at the party, because the _ always caused him to be drunk.

Answer: whisky


Question: Jame brought out a mattress to dry is and laid it over a sheet. The _ is wet.

Answer:
mattress