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

Example Input: Strepl infections are not caused by a virus
Example Output: What is the cause of strepl infections?

Example Input: Bats use muscles in the chest to fly
Example Output: What do bats use to fly?

Example Input: an acid changes the coloration of litmus paper from blue to red
Example Output:
What color does acid change the coloration of litmus paper from blue to?