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

Example Input: Cranium (skull) is the term for the skeletal structure of the head that supports the face and protects the brain.
Example Output: What is the term for the skeletal structure of the head that supports the face and protects the brain?

Example Input: Particle accelerators can nuclear fusion in stars be simulated.
Example Output: How can nuclear fusion in stars be simulated?

Example Input: The cell expels waste and other particles through a process called exocytosis.
Example Output:
The cell expels waste and other particles through a process called what?