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: Mutations may change the structure of a chromosome or just change a single nucleotide., Fact2: SNPs involve polymorphisms at the single nucleotide level., Question: What is a potential outcome of genetic mutation? (A) HIV (B) albino (C) anemia (D) pizza eating turtles (E) genealogy (F) SNPs (G) biology (H) death
Example Output: F

Example Input: Fact1: condensing means changing from a gas into a liquid by reducing heat energy, Fact2: Heat energy is measured in calories., Question: Calories measure the energy that leaves a gas to form what? (A) nutrients (B) burning (C) warmth (D) H20 (E) ligt (F) liquid (G) store (H) movement
Example Output: F

Example Input: Fact1: faulting of rock in Earth 's crust causes earthquakes, Fact2: Earthquakes and volcanoes are violent proof of Earth's shifting crust., Question: Shifting in the Earth's crust are caused by what? (A) Greenhouse gases (B) rock beds (C) friction (D) avalanches (E) fault in rocks (F) no movement in the crust (G) Movement (H) Time and energy
Example Output:
E