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: If a mother mammal wants to give her offspring proper nutrients, she would utilize her (A) whiskers (B) toes (C) tail (D) areola

SOLUTION: D

PROBLEM: Which is the least massive? (A) the Earth (B) the moon (C) the sun (D) the solar system

SOLUTION: B

PROBLEM: What causes the pull of gravity on a planet? (A) people (B) plants (C) kilograms (D) air

SOLUTION:
C