instruction:
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.
question:
Cutting the wood with the chainsaw proved to be more difficult than the hand saw since the _ 's blades were dull.
answer:
chainsaw


question:
I tried to put the document into my folder on the computer, but it didn't fit because the _ was too full.
answer:
folder


question:
She wanted to exfoliate her face with cleanser but it had crushed walnut shells in it so she used a brush instead.  The _ was gentle on her skin.
answer:

brush