Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: The cerebellum of the brain lies under the cerebrum and behind the brain stem.
Example Output: What part of the brain lies under the cerebrum and behind the brain stem?

Example Input: Phospholipids are vesicles made of.
Example Output: What are vesicles made of?

Example Input: Lead sulfate is the white solid that forms on corroded battery terminals.
Example Output:
What is the white solid that forms on corroded battery terminals?