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").

Input: Consider Input: Quartz can very easily damage (A) smelted silica (B) granite (C) diamonds (D) steel

Output: A


Input: Consider Input: A way in which seeds are frequently spread is (A) pigs rolling in mud (B) floors being swept clean (C) people eating deli ham (D) voles consuming oak pips

Output: D


Input: Consider Input: The national symbol for the US would most likely eat (A) roaches (B) birds (C) mosquitoes (D) salmon


Output: D