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:
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:
I wanted to order coffee, and was asked black or sugar, so I ordered _ coffee because it is bitter.
answer:
black


question:
The horse jumped over the bar but still found itself trapped in the cage because the _ is low.
answer:

bar