instruction:
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.
question:
The weightlifter felt a lot more tough when working with barbells than with kettlebells, because the _ worked more complex muscle groups.
answer:
barbells


question:
Since she was trying to be healthy, the woman chose the sandwich over the soup because the _ was high in nutrients.
answer:
sandwich


question:
It is easier for the girl to organize the chest versus the desk because there are fewer things in the _ .
answer:

chest