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

Example Input: After walking barefooted, James washed his foot in the bowl of water and the _ got clean.
Example Output: foot

Example Input: The turtle fell off the rock and walked on the grass instead , since the _ was too slippery .
Example Output:
rock