instruction:
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").
question:
Thick feathers can be used for (A) climbing, cracking nuts and peeling fruit skins. (B) courtship and looking for food (C) killing prey, preening and feeding young (D) staying weatherproof, flexible and free of bacteria
answer:
D

question:
every four seasons a cedar expands it's (A) lung capacity (B) sight (C) vocal range (D) outer covering
answer:
D

question:
The reason you tend to think of the color white when you think of environments where its constantly freezing, is because those place get tons of (A) Chipmunks (B) droughts (C) snowfall (D) monkeys
answer:
C