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

Ex Input:
Transparent matter transmits light without scattering it.

Ex Output:
What type of matter transmits light without scattering it?


Ex Input:
In a carbon triple bond, three pairs of electrons are shared.

Ex Output:
In a carbon triple bond, how many pairs of electrons are shared?


Ex Input:
A primary role of decomposers in an ecosystem is that they cycle matter by returning carbon and other matter to the ecosystem.

Ex Output:

What is a primary role of decomposers in an ecosystem?