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: All cnidarians are aquatic., Fact2: Cnidarians are also called coelenterates., Question: What are aquatic? (A) coelenterates (B) trees (C) lizards (D) angiosperm (E) holding nutrients (F) trees and flowers (G) the Sun (H) humans
Example Output: A

Example Input: Fact1: a light bulb is used for seeing in the dark, Fact2: Conventional light bulbs generate light by heating a filament., Question: What is helpful for seeing in the dark? (A) an electron microscope (B) an electron lens (C) microscope (D) closing the blinds (E) blackouts (F) closing your eyes (G) focusing a lens (H) heating a filament
Example Output: H

Example Input: Fact1: folding an object causes that object to change shape, Fact2: Origami figures are paper folding art projects., Question: What does origami change about paper? (A) its shape (B) Movement (C) its color (D) It expands (E) traits (F) its mass (G) Temperature (H) its flammability
Example Output:
A