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

Example Input: Water is at the neutrality, 7 point on the ph scale.
Example Output: At what point is water on the ph scale?

Example Input: A visual "copy" of an object that is formed by reflected or refracted light is called image.
Example Output: A visual "copy" of an object that is formed by reflected or refracted light is called what?

Example Input: The cytoskeleton is a cellular "scaffolding" or "skeleton" that crisscrosses the cytoplasm
Example Output:
The cytoskeleton is a cellular "scaffolding" or "skeleton" that crisscrosses what?