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: You can use what to fake sunlight for plants? (A) love (B) a flash light (C) breathing (D) water

SOLUTION: B

PROBLEM: A source of heat may come from (A) a cold shower (B) holding hands (C) holding ice (D) Antartica

SOLUTION: B

PROBLEM: A flashlight emits (A) particles (B) water (C) bugs (D) sound

SOLUTION:
A