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: darkness has a negative impact on photosynthesis, Fact2: Light is necessary for photosynthesis, a process that produces oxygen., Question: Darkness has a negative impact on which process of a plant? (A) slow and inefficient (B) chemical changes (C) circulatory systems (D) most organisms (E) fossil fuels (F) Abnormal cell growth (G) deoxyribonucleic acid (H) Oxygen production
Example Output: H

Example Input: Fact1: cycles of freezing and thawing water cause ice wedging, Fact2: Under the pressure of the innumerable wedges of ice, the rock cracks., Question: What is created from cycles of freezing and thawing water? (A) Something that is on the Moon (B) swamp vegetation (C) Something that cracks rocks (D) sedimentary rocks (E) A transportation fuel (F) fissures of hot, acidic water (G) Something inside the earth (H) Something that flies
Example Output:
C