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]: What are some of the risks of using fertilizer? (A) Making potatoes (B) Helping food grow (C) Fertilizing the crops (D) Damaging the planet
[EX A]: D

[EX Q]: the earth revolves around the sun in (A) a day (B) a year (C) a week (D) a month
[EX A]: B

[EX Q]: A person may use water from a treatment plant so that it is (A) free from wetness (B) free of chunks (C) free from governments (D) free from ice
[EX A]:
B