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]: We removed our dirty shoes on entering the kitchen, but put them back on in the den, because in the _ a clean floor was required.
[A]: kitchen


[Q]: The horse needed special medication for its skin to treat the parasite that it was infected with, because the _ was inflamed.
[A]: skin


[Q]: James could easily learn biology on his own but not mathematics and he considered the _ a easy subject.
[A]:
biology