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

Ex Input:
You call a substance that is not an acid or a base neutral.

Ex Output:
What do you call a substance that is not an acid or a base?


Ex Input:
An excellent solvent that holds heat well and allows hydrogen bonds, water substance has many properties critical to life.

Ex Output:
An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life?


Ex Input:
Electrophiles have a strong tendency to react with nucleophiles.

Ex Output:
Electrophiles have a strong tendency to react with what?