TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Water is at the neutrality, 7 point on the ph scale.

SOLUTION: At what point is water on the ph scale?

PROBLEM: Virtually all aquatic organisms depend directly or indirectly on protists for food.

SOLUTION: Virtually all aquatic organisms depend directly or indirectly on what for food?

PROBLEM: Glucocorticoids and mineralocorticoids are the two main types of corticosteroids in humans.

SOLUTION:
Glucocorticoids and mineralocorticoids are the two main types of what in humans?