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: Air pollution harms the respiratory and circulatory systems., Fact2: Cars are a significant source of air pollution., Question: What harms the respiratory and circulatory systems? (A) oil (B) rain (C) sulfur (D) cars (E) tires (F) coal (G) tar (H) bicycles
Example Output: D

Example Input: Fact1: being distracted while driving can cause people to crash their car, Fact2: Cell phones are a distraction to driving., Question: What can cause people to crash their car? (A) Driving the speed limit (B) energy of moving objects (C) Greenhouse gases (D) Using turn signals (E) fossil fuels (F) smoking cigarettes (G) Keeping their eyes on the road (H) Using a cell phone
Example Output: H

Example Input: Fact1: pushing on the pedals of a bike cause that bike to move, Fact2: Kinetic friction is the resistance on a moving object., Question: pushing on the pedals of a bike cause what? (A) pedals (B) get started (C) stillness (D) Pollution (E) Decrease bodily water (F) lack of motion (G) kinetic friction (H) electromagnetic energy
Example Output:
G