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: The bear in the wild needs to find other animals to feast. (A) they are killers (B) they only eat (C) they never kill (D) they are docile
Example Output: A

Example Input: When the amount of food goes down, the amount of conflict between the organisms searching for it will (A) nothing. (B) remain the same (C) go down (D) go up
Example Output: D

Example Input: Which would be the product of a solid that was brought above its melting point? (A) water turning into ice (B) iron turning to rust (C) tadpoles turning into frogs (D) glacier turning into water
Example Output:
D