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

Example Input: mosses depend on moisture to mate.
Example Output: What does mosses depend on to mate?

Example Input: hornworts occupy niches in wet habitats
Example Output: What occupy niches in wet habitats?

Example Input: Cracked bones heal when osteoclasts form new bone
Example Output:
What bones heal when osteoclasts form new bone?