TASK DEFINITION: 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.
PROBLEM: It was easier to pedal the bike than the tricycle because the _ was better oiled.

SOLUTION: bike

PROBLEM: John squeezed the sweat out of his cloth while standing on the pavement and now the _ is wet.

SOLUTION: pavement

PROBLEM: The books molded on the shelf but were fine on the mantle, because the _ was exposed to the elements.

SOLUTION:
shelf