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: Plasma cells are activated B cells that secrete antibodies., Fact2: Antibodies are produced by plasma cells., Question: antibodies are produced by activated B cells that do what? (A) Animal survival (B) killing insects (C) interact (D) secrete them (E) migrate (F) reproduce (G) competition (H) Allergies
Example Output: D

Example Input: Fact1: Secondary growth forms secondary vascular tissues and bark., Fact2: All trees have bark., Question: what has secondary growth? (A) viscosity (B) plants (C) oak (D) density (E) ferns (F) primary (G) trees (H) leaves
Example Output:
G