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

Ex Input:
Excellent predators can rip and tear flesh.

Ex Output:
What can rip and tear flesh?


Ex Input:
Muscles in the upper arm lengthen a person's elbow.

Ex Output:
What lengthen a person's elbow?


Ex Input:
HIV is not affected by drugs

Ex Output:

HIV is not affected by what?