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.

While trying to figure out what movie to watch, James looked at VHS and DVDs. The _ were out dated.
VHS

The essay on microbiology was more interesting than the one written on statistics. _ must be an interesting subject.
microbiology

The car was one of the vehicles that didn't need painted like the truck, because the _ was clean.

car