TASK DEFINITION: In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
PROBLEM: Which is likeliest to let a spark pass through? (A) a wool sweater (B) a t shirt (C) a rubber eraser (D) a soda can

SOLUTION: D

PROBLEM: Which would likely need a hot plate? (A) physics class (B) chemistry class (C) english class (D) math class

SOLUTION: B

PROBLEM: A simple pulley example could be (A) Going running on a treadmill (B) Swimming lap in a pool (C) Riding a bike outside (D) pulling water from a well

SOLUTION:
D