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]: What are a source of fibers? (A) water (B) plantlife (C) rocks (D) air
[EX A]: B

[EX Q]: What does a tuna have that causes it to swim faster than a seahorse? (A) Lower body temperature (B) Bigger scales (C) Bigger fins (D) Thicker caudal fin
[EX A]: C

[EX Q]: An hunter that wants to be undetected seeking out deer in the forest might (A) be dressed bushy green and brown attire (B) cover themselves in tree sap (C) be dressed in arctic camouflage (D) change their facial expression
[EX A]:
A