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.

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

Ex Output:
phone


Ex Input:
Erin got a massage every week to relax her muscles, but it didn't help much with her joints so the _ still ached.

Ex Output:
joints


Ex Input:
The retailer wanted to open in the local mall, but they couldn't because the _ was to small for the space.

Ex Output:

mall