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 the least massive? (A) the Earth (B) the moon (C) the sun (D) the solar system

SOLUTION: B

PROBLEM: An herbivore like a giraffe will only consume (A) green matter (B) sticks (C) algae (D) cheese

SOLUTION: A

PROBLEM: Steve's ears alerted him to something. It was (A) the taste of his lunch (B) waves in the air (C) the light streaming through the window (D) the feeling of his hair on his neck

SOLUTION:
B