Detailed Instructions: 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: HIV infects and destroys helper T cells., Fact2: T-helper cells are lymphocytes., Question: what does HIV infect and destroy? (A) organs (B) critical organs (C) eye sight (D) mammals (E) humans (F) gravity (G) lymphocytes (H) AIDS
A:
G