TASK DEFINITION: Given a statement, generate a question such that the answer is contained in that statement.
PROBLEM: navigation requires knowing north, south, east or west

SOLUTION: What does navigation require?

PROBLEM: Stimuli can cause the brain to experience pain.

SOLUTION: Stimuli can cause the brain to experience what?

PROBLEM: bugs generally have two pairs of wings for moving themselves through the air.

SOLUTION:
How many pairs of wings do bugs have?