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: disease has a negative impact on an organism, Fact2: Organisms or living beings are literally things that are alive., Question: Disease has what kind of effect on a living being? (A) it has a negative effect (B) Abnormal cell growth (C) direct damage to the lungs (D) it helps living beings eat (E) it makes living beings faster (F) it is good for living beings (G) cause their death (H) Plant growth is reduced

Ex Output:
A


Ex Input:
Fact1: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Antigens prompt the body to produce antibodies., Question: Antigens are molecules that prompt the what of antibodies? (A) termination (B) failure (C) humans (D) decrease (E) production (F) anemia (G) rapid expansion (H) kinetic

Ex Output:
E


Ex Input:
Fact1: an incandescent light bulb converts electricity into light by sending electricity through a filament, Fact2: Standard filaments are made of tungsten., Question: What does an incandescent light bulb use to convert electricity into light  (A) energy (B) light (C) heat energy (D) Tungsten (E) heat (F) Neon gas (G) Coal (H) Helium

Ex Output:

D