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.

[EX Q]: The collar fit perfectly on the neck of the dog but it could still not pass through the door of its cage. The _ is small.
[EX A]: door

[EX Q]: The man took lots of pills to calm his nerves but the _ were too strong.
[EX A]: nerves

[EX Q]: The doctor told the man a physical was not necessary for the insurance policy, because the _ previously was still valid.
[EX A]:
physical