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").
--------
Question: Fact1: Steroid hormones are made of lipids, such as phospholipids and cholesterol., Fact2: Fats are known as lipids., Question: What are steroid hormones made of? (A) bacteria (B) fats (C) sugar (D) muscle (E) H 2 O (F) sunlight (G) the Sun (H) SO2

Answer: B


Question: Fact1: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Oxygen enters the respiratory system through the mouth and the nose., Question: Breathing masks are used to keep harmful particles from entering the mouth and the what? (A) body (B) eyes (C) air (D) skin (E) gullet (F) nose (G) ears (H) lungs

Answer: F


Question: Fact1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens., Fact2: Antibody production is triggered by antigens., Question: Antigens produce large, Y-shaped what? (A) Allergies (B) epidermal (C) deltas (D) bioaerosols (E) Joules (F) parasites (G) proteins (H) PDAs

Answer:
G