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.

I used the lotion more than the serum because the _ made my skin oily.
serum

The window got broken when james hit his head on it while sleeping. The _  is hard.
head

The woman didn't have any oranges for the juice, so she used apples instead, because the _ were plentiful.

apples