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.

Q: It took longer to study for the History test, than it did for the Math exam. That's cause the teacher is easier in _ .

A: math
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Q: Ruth wanted to invest her money in either stocks or savings.  She chose to invest in the _ because she wanted to take a risk.

A: stocks
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Q: His addiction made him put all the pills from his bottle into his mouth, until the _ was full.

A:
mouth
****