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.

The rabbit was old and we had to decide whether to let it die naturally or put it down.  After getting really sick yesterday we decided to _ .
put it down

My sister poured the remaining juice from the pitcher into the cup until the _ was full.
cup

The beige bathroom wall needed to be repainted a darker color because the stain was visible. The _ was light.

wall