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.

Input: Consider Input: Jack's parakeet left its cage and flew to perch on the chair, because the _ had a worse view out the window.

Output: cage


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

Output: kettle


Input: Consider Input: 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.


Output: shelf