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: Many consumers feed at more than one trophic level., Fact2: Consumers are heterotrophs that feed on tissues of other organisms., Question: What may eat other organisms at more than one trophic level? (A) barnacles (B) chickens (C) fur seals (D) humans (E) heterotrophs (F) mammals (G) animals (H) rabbit
Example Output: E

Example Input: Fact1: if an object is made of a material then that object has the properties of that material, Fact2: Headings include Materials Research, Materials, Ceramic Materials, Composite Materials., Question: if an object is what of a Ceramic then that object has the properties of Ceramic (A) edible (B) combined (C) heat (D) part (E) Joules (F) attached (G) made (H) unique
Example Output: G

Example Input: Fact1: a car engine usually converts gasoline into motion and heat through combustion, Fact2: Combustion is a type of oxidation reaction., Question: how does a car engine usually convert gasoline into motion and heat? (A) Evaporation (B) compound of hydrogen oxygen (C) kinetic energy (D) antifreeze (E) oil changes (F) igniting fuel and oxidiser (G) using the turn signal (H) oxidation reaction
Example Output:
H