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

Example Input: Overlapping food web an eagle, a land eater, goes and gets fish from the sea, as well, its called.
Example Output: When an eagle, a land eater, goes and gets fish from the sea, as well, its called?

Example Input: Matter that mechanical wave energy can only travel through is medium.
Example Output: What is the name of matter that mechanical wave energy can only travel through?

Example Input: Molecules of cholesterol helps the plasma membrane keep its shape.
Example Output:
What helps the plasma membrane keep its shape?