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

Answer: phone


Question: Mike used a new notebook for his notes instead of his notepad, since the _ was full .

Answer: notepad


Question: The couple decided to vacation in Panama instead of Alaska because the weather in _ was too cold.

Answer:
Alaska