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]: John cannot lift the bar to the top of the rack, so he tried lifting the plank instead. The _ is heavy.
[A]: bar


[Q]: He liked to clean the floor with a mop rather than a sponge, even though the _ always ended up leaving streaks.
[A]: mop


[Q]: The vegetable wasn't cooking fast enough in the water with fire because the _ was too small.
[A]:
fire