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]: A person can get sick when eating a vegetable if it was farmed using (A) water (B) dirt (C) insect destroyers (D) tools
[A]: C

[Q]: the mantle is (A) a level of our planet (B) the planet closest to ours (C) a kind of rock found on Earth (D) the deepest part of our planet
[A]: A

[Q]: Sea nomads' larger spleens let them (A) eat every kind of poison on the planet (B) hold their breath for longer underwater (C) post low quality content on the internet (D) time travel to the future
[A]:
B