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 of the following would you use to most efficiently transport heat? (A) empty water bottle (B) cotton T-Shirt (C) baseball cap (D) empty soda can

SOLUTION: D

PROBLEM: You can work longer when (A) Autumn changes to Winter (B) spring changes to summer (C) tree leaves start falling (D) the first snow starts falling

SOLUTION: B

PROBLEM: A flashlight converts chemical energy into what kind of energy? (A) light snacks (B) greens (C) food (D) illumination

SOLUTION:
D