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.

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

Ex Output:
microbiology


Ex Input:
They decided to install curtains in the bedroom rather than the dining room, as _ required more privacy.

Ex Output:
bedroom


Ex Input:
She used a sewing machine needle on her thick sweater, but the machine jammed because the _ is too thick.

Ex Output:

sweater