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[Q]: The professor preferred to teach with the books instead of the computers, because the _ were out of date.
[A]: computers


[Q]: The disease that the cat had was worse than the sickness that the dog had, therefore the _ died later.
[A]: sickness


[Q]: The hard working housekeeper used a dry cloth to dust all the furniture until the _ was completely dirty.
[A]:
cloth