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

Example Input: Glaciers deposit their sediment when they melt.
Example Output: When do glaciers deposit their sediment?

Example Input: Humans possess greater diversity of genetics type, compared to laboratory animals.
Example Output: Humans possess greater diversity of what type, compared to laboratory animals?

Example Input: The notochord provides stiffness to counterbalance the pull of muscles.
Example Output:
What rod provides stiffness to counterbalance the pull of muscles?