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: Steven's teacher made him redo the homework assignment, because he had failed to understand the _ .

SOLUTION: assignment

PROBLEM: Elaine took the painkillers that were in the medicine bottle for her back pain until the _ was empty.

SOLUTION: bottle

PROBLEM: It is easier to install the faucet than the toilet in the bathroom because the _ has less parts.

SOLUTION:
faucet