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 pine trees were still green in December, but the oak trees were not, because the _ keep their leaves in fall.
[EX A]: pine trees

[EX Q]: The monkey liked digging and preferred a stick over the scoop as the _ was clumsily handled.
[EX A]: scoop

[EX Q]: People can make it over a fence but not over a wall because the _ is very short.
[EX A]:
fence