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: they had a pet tarantula that liked to climb the walls instead of the floor, because the _ were higher.

Answer: walls


Question: The weightlifter felt a lot more tough when working with barbells than with kettlebells, because the _ worked more complex muscle groups.

Answer: barbells


Question: The chocolate and cake went down well but the spinach did not as the _ was horrible.

Answer:
spinach