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: recycling has a positive impact on the environment, Fact2: Steel is a recycled and recyclable product., Question: What has a positive impact on the environment? (A) animals (B) bushes (C) energy (D) peachleaf willow (E) oysters (F) using steel (G) Solar energy (H) Green beans
Example Output: F

Example Input: Fact1: Most salamanders use their sense of smell to find a mate., Fact2: Like frogs, salamanders are amphibians., Question: What uses its sense of smell to find a mate? (A) the Sun (B) peachleaf willow (C) rocks (D) fur seals (E) warm-blooded (F) trees (G) passenger pigeons (H) some amphibians
Example Output: H

Example Input: Fact1: producing thrust causes something to move, Fact2: An engine is needed to provide the thrust for forward motion., Question: causing something to move can need what? (A) heat energy (B) a disc (C) a meal (D) energy (E) an engine (F) voltage (G) a stick (H) arteries
Example Output:
E