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.

[EX Q]: The sound of the speaker put a crack on the window close to it because the _ is too strong.
[EX A]: sound

[EX Q]: I was more embarrassed of the wart on my hand than the one on my foot since the one on the _ was visible.
[EX A]: hand

[EX Q]: As the gas filled the room, most people opted for the mask instead of the bag since the _ was efficient.
[EX A]:
mask