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: acid rain has a negative impact on water quality, Fact2: Sulfur dioxide causes acid rain., Question: What has a negative impact on water quality? (A) Reverse osmosis (B) fossil fuels (C) Fresh water (D) Carbon filter (E) chlorofluorocarbons (F) Sulfur dioxide (G) Pollution (H) harmful substances
Example Output: F

Example Input: Fact1: having food has a positive impact on an organism 's health, Fact2: For the food of bread is daily food., Question: having bread daily has a positive impact on some organism 's what (A) shelter (B) environment (C) growth (D) survive (E) nutrients (F) health (G) humans (H) habitat
Example Output: F

Example Input: Fact1: Marine species live mainly in shallow coastal waters., Fact2: Many marine species are used for medical research., Question: what are many organisms found in shallow coastal waters used for? (A) heat produced (B) survival (C) surf boards (D) density (E) heat energy (F) Animal survival (G) shoes (H) medical research
Example Output:
H