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.

The bowling ball was more grams than the basketball because the _ took up more mass.
bowling ball

I was more embarrassed of the wart on my hand than the one on my foot since the one on the _ was visible.
hand

The doctor operated on the gallbladder, but left the liver alone because the _ was sick.

gallbladder