TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: For to synthesize glycogen purpose does liver use the excess carbohydrate.

SOLUTION: For what purpose does liver use the excess carbohydrate?

PROBLEM: Darwin believed in gradualism.

SOLUTION: Did darwin believe in punctuated equilibrium or gradualism?

PROBLEM: While similar to insects, arachnids are eight-legged invertebrates that lack antennae or wings.

SOLUTION:
While similar to insects, what eight-legged invertebrates lack antennae or wings?