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]: They wondered if the blue powder or the red powder would dissolve faster, but they couldn't open the _ one.
[A]: blue


[Q]: The mascara made the woman's eyelash look more striking because the _ is very dark-colored.
[A]: mascara


[Q]: Callie practiced dancing more than she practiced guitar although the recital next week was for the _ .
[A]:
guitar