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: The dialogue in the fiction story was better than the non-fiction story because the _ was more relatable.

SOLUTION: fiction story

PROBLEM: A boy in a house tries to put a big book on a shelf built for paperbacks. The book falls to the ground because the _ is too narrow.

SOLUTION: shelf

PROBLEM: The mask quickly turned into a full-fledged costume for Halloween because the _ was succeeding in representing the character.

SOLUTION:
costume