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: The hospital bill affected my credit score negatively, but the insurance bill did not. That's because I paid the _ on time.
Example Output: insurance bill

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: I'm sick with either the flu or bronchitis. I've been sneezing a lot so it might be the _ .
Example Output:
flu