In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Q: Fact1: Neurons are the structural and functional units of the nervous system., Fact2: Alcohol interferes with the central nervous system., Question: what does alcohol interfere with? (A) h2o (B) vodka (C) movement (D) sweating (E) protons (F) health (G) neurons (H) recovery
A:
G