instruction:
Write a correct answer for the question. You should reason about prototypical situations and provide the correct answer. Avoid answers that provide incomplete justification for the question.
question:
name something that flies but doesn't have an engine.
answer:
birds


question:
name something that people pull up.
answer:
pants


question:
how many hours of sleep does the average person need in order to wake up refreshed
answer:

6