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

Ex Input:
You call the separation of ions that occurs when a solid ionic compound dissolves dissociation.

Ex Output:
What do you call the separation of ions that occurs when a solid ionic compound dissolves?


Ex Input:
According to the english system measurement, 4 cups much is equal to 2 pints, 1 quart, and ¼ of a gallon.

Ex Output:
According to the english system measurement, how much is equal to 2 pints, 1 quart, and ¼ of a gallon?


Ex Input:
The lack of annihilation radiation coming to us from space proves that the universe is dominated by matter.

Ex Output:

The lack of annihilation radiation coming to us from space proves that the universe is dominated by what?