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 sick man took tissues from the box to blow his nose and put them in the waste basket until the  _ was empty.
[A]: box


[Q]: The symptoms appeared in the nose now, not the mouth, as the _ was now infected.
[A]: nose


[Q]: My relationship with my wife suffered because I was spending on my BMW, so I decided to change to a Prius because the _ is cheap to keep.
[A]:
Prius