TASK DEFINITION: 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.
PROBLEM: My sister poured the remaining juice from the pitcher into the cup until the _ was full.

SOLUTION: cup

PROBLEM: The jeweler cleaned the jewelry for the customer with rags because the _ was quite dirty.

SOLUTION: jewelry

PROBLEM: I was listening to some music while swimming with my phone and headphone but the headphone later stopped working. The _ is waterproof.

SOLUTION:
phone