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]: Sunlight is a source of (A) wind energy (B) warmth (C) frigid temperatures (D) moonlight
[EX A]: B

[EX Q]: 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
[EX A]: A

[EX Q]: The color of what is an inherited characteristic? (A) vision organ (B) wallpaper (C) blood (D) dirt
[EX A]:
A