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: She had a lower back pain but her headache was gone, so the _ problem was comforting her now.
Example Output: headache

Example Input: His donation towards clearing the debt of the charity didn't help because the _ was too small.
Example Output: donation

Example Input: The boat was endangered in the ocean after leaving the harbor , since _ was so stormy .
Example Output:
ocean