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.

[Q]: The stick could not be used to bring the ring out of the jar because the _ is too deep.
[A]: jar


[Q]: The teacher took students off of the playground and put them on the bus until the _ was full.
[A]: bus


[Q]: John no longer used oil to heat his home, and now used coal, because the _ was in short supply.
[A]:
oil