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:
John cannot lift the bar to the top of the rack, so he tried lifting the plank instead. The _ is heavy.
answer:
bar


question:
The hare managed to outrun the tractor but not the spitfire because the _ was very fast.
answer:
spitfire


question:
The clerk identified the watch right away instead of the jewelry since the _ was obscure at the time.
answer:

jewelry