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

Example Input: Intraplate earthquakes occur because solid lithosphere travels on a round planet.
Example Output: What occur because solid lithosphere travels on a round planet?

Example Input: Gardasil is the vaccine to prevent infection of hpv.
Example Output: What is the vaccine to prevent infection of hpv?

Example Input: The atom is the representative particle in pure metals.
Example Output:
What is the representative particle in pure metals?