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

Example Input: Smaller size of ring will a summer drought cause in a tree.
Example Output: What size of ring will a summer drought cause in a tree?

Example Input: Cancer occurs most often in adults over fifty age.
Example Output: Cancer occurs most often in adults over what age?

Example Input: Glycerol is a triol, an alcohol which contains three hydroxl functional groups.
Example Output:
Glycerol is a triol, an alcohol which contains three what?