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

Example Input: Most of the gray matter is on the surface of the brain, surrounding white matter.
Example Output: Most of the gray matter is on the surface of the brain, surrounding what other type of matter?

Example Input: The long bone work as lever.
Example Output: What type of function does the long bone perform?

Example Input: Large ocean currents factor has a big impact on coastal climates.
Example Output:
Which factor has a big impact on coastal climates?