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:
Bob held his gerbil in the box instead of putting it on the floor because it was more loose on the _ .
answer:
floor


question:
The company regretted to announce that it was selling the division, as the _ would have to go on its own.
answer:
division


question:
Dave bought his turtle a green pond and a gray rock. The _ is for sleeping.
answer:

rock