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 Input:
What impacts an objects ability to reflect light? (A) color pallete (B) weights (C) height (D) smell

Ex Output:
A


Ex Input:
Nerves all have (A) microscopic parts (B) short arms (C) viable organs (D) liver transplants

Ex Output:
A


Ex Input:
To survive living things (A) need money (B) need Pu (C) need H2O (D) need hunting skills

Ex Output:

C