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

Ex Input:
Eyespots do the cells in the front of a volvox typically develop to help swim towards light.

Ex Output:
What do the cells in the front of a volvox typically develop to help swim towards light?

Ex Input:
40 m/s north of the following represents the velocity of a moving object.

Ex Output:
Which of the following represents the velocity of a moving object?

Ex Input:
Hail form of precipitation is most likely to cause damage when hitting the roof of a car.

Ex Output:
Which form of precipitation is most likely to cause damage when hitting the roof of a car?