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 mop was brought out and dragged across the floor because the _ was clean.
[A]: mop


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


[Q]: More people were sitting near the tree than near the bush because the _ offered shade.
[A]:
tree