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").

Input: Consider Input: Who is most likely to die of old age? (A) adults (B) children (C) infants (D) reasonable high-school students

Output: A


Input: Consider Input: One way to recycle paper is by using it to (A) build oceans (B) build spaceships (C) wipe grime (D) build cars

Output: C


Input: Consider Input: An example of a fossil could be a (A) dino track (B) animal eye (C) human heart (D) abandoned nest


Output: A