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]: Math was the simple paper in the exam and Chemistry the difficult because the _ had a strict teacher.
[EX A]: Math

[EX Q]: The camel left the alley and moved into the street, as the _ was safe for it at that time.
[EX A]: street

[EX Q]: To cope with her problems the teenager wrote in the journal and not the diary since the _ 's pages were smaller.
[EX A]:
diary