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 do not want to leave the park and go home with his mother because the _ is interesting.
answer:
park


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


question:
The girl used the crimper more than the straight iron because the _ made her hair straight.
answer:

iron