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: Lonnie put mortar between the bricks with a spatula instead of a trowel, because the _ was inefficient.

SOLUTION: trowel

PROBLEM: The hand of the little girl could not reach the top of she shelf because the _ is too tall.

SOLUTION: shelf

PROBLEM: The man spent more time in the gym than at the park because he was training at the _ .

SOLUTION:
gym