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: wiring requires an electrical conductor, Fact2: Wires connected to a source of electricity., Question: An electrical conductor is required for the operation of: (A) water current (B) electricity (C) satellites (D) energy (E) to move people (F) gas lamps (G) trains (H) lightning
Example Output: B

Example Input: Fact1: if heat is conducted to an object then that object will become hot, Fact2: Metals vary in their capacity to conduct heat., Question: What can happen if a metal is heated? (A) change chemical composition (B) refract energy (C) they bend (D) It expands (E) electricity (F) Relieve pain (G) maintains core temperature (H) becomes hot
Example Output: H

Example Input: Fact1: fossils are formed when layers of sediment cover the remains of organisms over time, Fact2: Fossil fuels are formed from the remains of once living organisms that depended on light., Question: Fossils are formed when remains of living things are what? (A) buried in mud (B) break off (C) covered over time (D) Physical weathering (E) By coral exoskeletons (F) It remains dormant (G) saved in a box (H) kept in the dark
Example Output:
C