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

Ex Input:
The calcium carbonate hardens and protects the shell.

Ex Output:
What hardens and protects the shell?


Ex Input:
Color and going underground helps conceal from scavengers.

Ex Output:
What does going underground help conceal from scavengers?


Ex Input:
elephants have a placenta

Ex Output:

What do elephants have?