Q: 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").
Fact1: Plasma cells are activated B cells that secrete antibodies., Fact2: Antibodies act as warriors., Question: Plasma cells are activated B cells that secrete what? (A) Leptospirosis (B) Activated charcoal (C) Cellular phone services (D) Sweat (E) major threat to health (F) Warriors of the body. (G) Something that causes allergies (H) Chemical energy
A:
F