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.

Example Input: Jenna added chlorine gradually to her pool, because she wanted to make sure that the _ was making it cleaner.
Example Output: chlorine

Example Input: Mary brought a ball to the field to play soccer, but she couldn't because the _ was flat.
Example Output: ball

Example Input: The songs sounded better in the hall than in the auditorium because the speakers in the _ were bigger.
Example Output:
hall