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").

Example Input: A learned characteristic could be (A) Eye color (B) a cartwheel (C) freckles (D) Hair color
Example Output: B

Example Input: A 40 foot wide hole is found in the dessert. It's shaped like a ball had hit it. What could have happened? (A) something from space entered the atmosphere (B) a lizard built the hole (C) the moon's gravity pulled sand out of the hole (D) a dust storm filled it in
Example Output: A

Example Input: Since June is cold and wet in Australia, it makes sense that at the same time (A) Michigan would experience a heat wave (B) Florida would be raining (C) winter would be raging in Colorado (D) everywhere in the world is cold
Example Output:
A