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").

Ex Input:
Fact1: if an object is kicked then force is exerted on that object, Fact2: Force is measured in newtons., Question: what is exerted on a kicked object? (A) adding heat (B) soccer ball (C) shorts (D) wooden plank (E) kinetic energy (F) Electrical energy (G) direct damage to the lungs (H) measurement of newtons

Ex Output:
H

Ex Input:
Fact1: pathogens can cause disease, Fact2: Mad Cow disease is a concern., Question: What can cause Mad Cow? (A) Pollution (B) bacteria (C) cows (D) horses (E) illness (F) pathogens (G) influenza (H) chickenpox

Ex Output:
F

Ex Input:
Fact1: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: When inhaled, the particles lodge in the respiratory system, causing or aggravating health problems., Question: a breathing mask keeps what from being inhaled and causing health problems? (A) cigarettes (B) harmful particles (C) chemical changes (D) influenza (E) oxygen particles (F) hydrogen and oxygen (G) air particles (H) atmosphere particles

Ex Output:
B