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]: You can find ferrous metals in (A) Grass (B) Vehicle scraps (C) Wood (D) Glass
[EX A]: B

[EX Q]: Which animal travels great distance as part of its instinctive behavior? (A) a raven (B) a bear (C) a chipmunk (D) a snake
[EX A]: A

[EX Q]: Some birds have adapted to their cold environment by over time evolving to have thicker feathers in order to (A) go to space (B) avoid freezing (C) eat dinosaurs (D) nothing
[EX A]:
B