instruction:
Given a statement, generate a question such that the answer is contained in that statement.
question:
Smog is made up of carbon particles.
answer:
What is smog made up of?


question:
eagles move their wings using large back muscles
answer:
Who moves their wings using large back muscles?


question:
The uterus is used in reproduces genes to offspring.
answer:

Where is the uterus used?