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: Kirk had hurt his leg muscle at the gym and he treated it with epsom salt while avoiding balm, because he thought the _ might make it worse.

SOLUTION: balm

PROBLEM: Mary tried to crack walnuts with her teeth for her heart healthy crunchy salad, but the _  were too weak.

SOLUTION: teeth

PROBLEM: I tried to mop the floor with vinegar but had to do it over with soap because the _ was effective.

SOLUTION:
soap