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: Most ferns produce the same type of spores and are therefore called homosporous.

SOLUTION: Most ferns produce the same type of spores and are therefore called what?

PROBLEM: Heat from the sun causes the most evaporation of water from a lake.

SOLUTION:
Which of these causes the MOST evaporation of water from a lake?