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 camel left the alley and moved into the street, as the _ was safe for it at that time.
answer:
street


question:
Since it was a beautiful day, his friend invited him to the park to play frisbee. The _ was flying.
answer:
frisbee


question:
I need to go to the store to buy milk. The _ in my fridge was expiring soon.
answer:

milk