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: Jane couldn't fit the fabric in the washing machine because the _ was too small.

SOLUTION: machine

PROBLEM: The shop could not change the tires, but could at least replace the wheels, as the _ were in stock.

SOLUTION:
wheels