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: Preston liked learning violin better than piano at music class, because the _ hurt his back.

SOLUTION: piano

PROBLEM: I tried to put the document into my folder on the computer, but it didn't fit because the _ was too full.

SOLUTION: folder

PROBLEM: The gift would either be a massage at the parlor or school, but only the _ wasn't booked.

SOLUTION:
school