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.

[EX Q]: Billy skipped piano lessons but made sure to attend his guitar lessons because he hated playing the _ .
[EX A]: piano

[EX Q]: I used the lotion more than the serum because the _ made my skin oily.
[EX A]: serum

[EX Q]: I should have bought a card instead of using paper because the _ would be durable enough to withstand being outdoors.
[EX A]:
card