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]: James won the legal argument because he presented video evidence that contradicted the witness as the _ was dubious.
[EX A]: witness

[EX Q]: I need to raise my overall intelligence. I could try studying or reading. The _ would take longer.
[EX A]:
reading