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: Humans have collected and grown mushrooms for food for thousands of years., Fact2: Yeast and mushrooms are types of fungus., Question: What have humans collected and grown for thousands of years? (A) Organic compounds (B) types of coral (C) types of ferns (D) bioaerosols (E) Most plants (F) types of fungus (G) types of pine trees (H) peachleaf willow
Example Output: F

Example Input: Fact1: ultraviolet light causes sunburn, Fact2: Furthermore, sunburn can cause premature aging and skin cancers., Question: What can ultraviolet light cause? (A) chemical changes (B) Cold skin (C) killing insects (D) Healthy skin (E) disease (F) Skin cancer (G) symptoms (H) Low temperatures
Example Output: F

Example Input: Fact1: soil erosion means soil loss through wind, Fact2: Erosion is a substantial contributor to deterioration of soil quality., Question: What can lead to a deteroriation in soil quality? (A) rain (B) spring (C) heat (D) fungi (E) coal (F) H20 (G) sugar (H) Wind
Example Output:
H