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: if weather is stormy then there is a greater chance of rain, Fact2: Rain is our usual form of precipitation., Question: If the weather is stormy, there is a greater chance for what? (A) nightfall (B) precipitation (C) sunshine (D) negative feedback (E) daylight (F) air pollution (G) trucks and cars (H) miles per hour
Example Output: B

Example Input: Fact1: Organs of excretion make up the excretory system., Fact2: Digestive system Excretory system removes waste and toxic substances from blood., Question: What removes waste and toxic substances from the blood? (A) Special disposal (B) Something coming from a gland (C) aqueous solution (D) Veins and arteries. (E) digestive system organs (F) that material's properties (G) Something that causes allergies (H) microorganisms
Example Output: E

Example Input: Fact1: uneven heating of the Earth 's surface cause wind, Fact2: Wind can cause damage to buildings and bring down power lines., Question: What can uneven heating of the earth's surface cause? (A) Wealth creation (B) Damage to buildings (C) Damage to moon (D) forest is destroyed (E) Greenhouse gases (F) Plant growth is reduced (G) Damage to sun (H) Physical weathering
Example Output:
B