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.
--------
Question: The essay on DNA structures was read more than the one on Proteins, so the one on _ must be more dull.

Answer: Proteins


Question: The hollyhocks in her garden needed plenty of sun and water to moisten the soil. She made sure to give them a lot of the _ .

Answer: water


Question: When Tony got home, he turned on the heater instead of the air conditioner because the _ would make it feel warmer in the house.

Answer:
heater