Given a statement, generate a question such that the answer is contained in that statement.

Ex Input:
Plants are at the base of food webs

Ex Output:
What are at the base of food webs?

Ex Input:
breaks heal when osteoclasts form new tissue made of calcium and protein.

Ex Output:
What do osteoclasts form when osteoclasts form new tissue?

Ex Input:
Sperm exits the body through the same place as urine.

Ex Output:
Sperm exits the body through the same place as what?