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

Ex Input:
Stem basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures.

Ex Output:
What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?


Ex Input:
If a substance has a ph value greater than 7,that indicates that it is base.

Ex Output:
If a substance has a ph value greater than 7, what does it indicate?


Ex Input:
Compounds with metals and nonmetals sharing electrons are known as ions kinds of compounds.

Ex Output:

Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds?