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

[Q]: Glycerol is a triol, an alcohol which contains three hydroxl functional groups.
[A]: Glycerol is a triol, an alcohol which contains three what?

[Q]: Phospholipids are the main component of the cell membrane.
[A]: What is the main makeup of the cell membrane?

[Q]: Non-pathogen caused are noninfectious diseases not contagious.
[A]:
Why are noninfectious diseases not contagious?