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").

[EX Q]: Locusts historically always affect crops (A) in the sky (B) disadvantageously (C) near water (D) positively
[EX A]: B

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

[EX Q]: Many animals entered the city because of (A) global warming (B) buildings (C) warm streets (D) logging
[EX A]:
D