instruction:
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 plant is stopping the sun from reaching the top of the roof because the _ is taller.
answer:
plant


question:
Billy wanted to prevent having his radiator overheat in the desert sun so he added water but the _ was too little.
answer:
water


question:
We paid more for the trip to the mountains than the trip to the beach because we stayed in the _ longer.
answer:

mountains