TASK DEFINITION: Given a statement, generate a question such that the answer is contained in that statement.
PROBLEM: Pigeon eggs have hard shells made of calcium carbonate.

SOLUTION: What is the hard shell of pigeon eggs made of?

PROBLEM: Infants who had poor nutrition while in the womb are less likely to survive.

SOLUTION: Who had poor nutrition while in the womb are less likely to survive?

PROBLEM: A hook is used for lifting mass.

SOLUTION:
What is a hook used for?