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

Ex Input:
Ionic compounds contain cations and anions rather than discrete neutral molecules.

Ex Output:
Ionic compounds contain cations and anions rather than what?

Ex Input:
When water is heated by magma and makes its way to the surface and creates a(n) geyser.

Ex Output:
When water is heated by magma and makes it's way to the surface what is created?

Ex Input:
The everyday beverage coffee is a commodity second only to oil in worldwide trade.

Ex Output:
What everyday beverage commodity is second only to oil in worldwide trade?