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]: 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]: Where would jumping be the hardest? (A) Mars (B) Jupiterr (C) the Earth (D) the moon
[EX A]: B

[EX Q]: Which requires respiration to use energy? (A) solar collector (B) car (C) skunk (D) oil well
[EX A]:
C