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: The drifter pulled out his harmonica while riding the train and played a tune over the _ noise.

SOLUTION: train

PROBLEM: Jessie and Sam like to share clothes. Today Jessie will wear a dress and Sam will wear pants. Sam likes that the _ are tight and conforms as she walks.

SOLUTION: pants

PROBLEM: The chef removed the bones that had been cooking overnight from the stock until the _ was clear.

SOLUTION:
stock