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 horses haven't been eating the pears left out for them, however they enjoy the muffins. The _ must be delicious to them.
answer:
muffins


question:
The bag was used to collect some water and emptied to the pot but to out disappointment we met nothing in the pot. The _ is  watertight.
answer:
bag


question:
Margaret isn't very happy at the park, but loves being at the zoo. She has wonderful memories of the _ .
answer:

zoo