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 bag was used to collect some water and emptied to the pot but to out disappointment we met nothing in the pot. The _ is watertight.
Example Output: bag

Example Input: In college, film class is harder for Selena to concentrate in than art class due to the _ being a longer class.
Example Output: film class

Example Input: She wanted to be a math teacher but became an architect instead, because the _ job has higher salary.
Example Output:
architect