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: They had a feeling either the bookcase or the clock would fall first. The _ was unstable.
Example Output: clock

Example Input: The man poured hot water from the kettle into the teapot until the _ was empty.
Example Output: kettle

Example Input: I made a new feeder for the backyard that had a small opening for the food. They couldn't get through it because the _ was too small.
Example Output:
opening