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").

Example Input: Fact1: Plasma cells are activated B cells that secrete antibodies., Fact2: Antibodies are produced by plasma cells., Question: antibodies are produced by activated B cells that do what? (A) Animal survival (B) killing insects (C) interact (D) secrete them (E) migrate (F) reproduce (G) competition (H) Allergies
Example Output: D

Example Input: Fact1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins., Fact2: DNA is the genetic material responsible for heredity., Question: The genetic material responsible for heredity contains what? (A) wavelengths and photons (B) instructions for proteins (C) characteristics (D) pre-assembled proteins (E) organelles (F) Chemical energy (G) A compound that donates proton (H) blood
Example Output: B

Example Input: Fact1: friction is used for stopping a vehicle by brakes, Fact2: Friction produces heat., Question: Stopping a car by applying the brakes will generate (A) gas (B) danger (C) damage (D) death (E) 86400 (F) heat (G) wind (H) fluid
Example Output:
F