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

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:
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:
Ores rock contains concentrations of valuable minerals.

Ex Output:

What type of rock contains concentrations of valuable minerals?