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]: Winston went to the gym to get in shape, and decided to run on the treadmill and lift weights. The _ helped him lose weight.
[A]: treadmill


[Q]: I avoided the live wire but not the fence it ran along because the _ was safe to touch.
[A]: fence


[Q]: The seamstress wanted to sew the button on the collar of the coat but the _ was too big.
[A]:
button