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

Ex Input:
Solid is characterized by molecules with minimal movement and strong forces between them.

Ex Output:
Which state of matter is characterized by molecules with minimal movement and strong forces between them?

Ex Input:
Superior sagittal sinus is the largest of the sinuses.

Ex Output:
What is the largest of the sinuses?

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?