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


question:
Andrew took notes and asked his teacher lots of questions in class, and he thought that the _ helped him prepare for the test.
answer:
notes


question:
Mark hired a truck instead of using his own SUV to drive his stuff to the new apartment, because the _ was smaller.
answer:

SUV