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").

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


[Q]: if a river ran through a region, what would be found close by? (A) land mass susceptible to water encroachment (B) active life coral reef (C) acid rain susceptible area (D) very active volcanic mountains
[A]: A


[Q]: which one of these can help a person cook their food? (A) a stack of clothes (B) a stack of cans (C) a pack of cigarettes (D) a counter cooker appliance
[A]:
D