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").
One example is below.
Q: Deserts are in extremely dry environments, so liquids will naturally be (A) rainbow (B) plentiful (C) meager (D) talented
A: C
Rationale: This is a good example and the output correctly answers the question.
Q: A chemical reaction to vinegar or to baking soda can be caused by adding (A) air (B) bees (C) cola (D) sand
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
C