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: We removed our dirty shoes on entering the kitchen, but put them back on in the den, because in the _ a clean floor was required.

Answer: kitchen


Question: Susan made the decision of  getting in an Airplane instead of train to go to Miami because the _ travels slow.

Answer: train


Question: The hiking group had more food than water, so they tried to conserve the _ .

Answer:
water