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

Ex Input:
Municipal type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards.

Ex Output:
What type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards?

Ex Input:
Monatomic ions form when a single atom gains or loses electrons.

Ex Output:
What form when a single atom gains or loses electrons?

Ex Input:
Leukemia is the most common type of cancer developed in children.

Ex Output:
What is the most common type of cancer developed in children?