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").

Example Input: Coal and oil directly removed from the ground are (A) directly consumed (B) thrown away (C) made into products (D) stored underground
Example Output: C

Example Input: The way that the earth rotates and moves through space can effect how (A) the stars are viewed in the sky (B) how the moon phases (C) the heat of the sun (D) the plants we are able to eat
Example Output: A

Example Input: If a liquid disappears then that liquid probably did what? (A) gasify (B) condense (C) melted (D) solidified
Example Output:
A