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: I used the lotion more than the serum because the _ made my skin oily.

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

A: sofa
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Q: The person's grandparent slept later on the weekend than the weekday because they didn't have to work on the _ .

A:
weekend
****