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: mountains are formed by earthquakes, Fact2: For mountains one goes to the Alps., Question: What was formed by earthquakes? (A) deposits (B) coarse grit (C) backbones (D) road bends (E) The Alps (F) pitches (G) waves (H) Otoacoustic
Example Output: E

Example Input: Fact1: microorganisms can cause infections, Fact2: Bacteria are microorganisms that exist everywhere., Question: What can cause infection? (A) bacteria (B) seeds (C) influenza (D) disease (E) horses (F) viruses (G) chickenpox (H) bladders
Example Output: A

Example Input: Fact1: moss causes chemical weathering, Fact2: Chemical weathering is the chemical disintigration of rocks., Question: Moss can cause the breakdown of what? (A) water (B) mushrooms (C) Limbs (D) rocks (E) cactus (F) tissue (G) biome (H) Engine
Example Output:
D