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]: Wanting to be comfortable, the woman placed a pillow on the sofa because the _ was stiff.
[A]: sofa


[Q]: The hospital bill affected my credit score negatively, but the insurance bill did not. That's because I paid the _ on time.
[A]: insurance bill


[Q]: While taking classes at the college, Sam bought the textbooks she needed and returned the notebook she didn't. The _ were necessary.
[A]:
textbooks