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: soil erosion means soil loss through wind, Fact2: Hurricanes are made of wind., Question: What is soil erosion? (A) enormous damage to homes (B) movements in the earth's crust (C) soil regrowth (D) massive damage (E) soil fertilization (F) soil loss through hurricanes (G) soil loss through human works (H) fissures of hot, acidic water
Example Output: F

Example Input: Fact1: Balance is the ability to sense and maintain body position., Fact2: People fall when they lose their sense of balance., Question: the ability to sense and maintain body position prevents people what (A) falling (B) death (C) illness (D) starving (E) blindness (F) disease (G) depression (H) sweating
Example Output: A

Example Input: Fact1: Plants have specialized reproductive organs., Fact2: Plants produce flowers for reproduction., Question: What are flowers for? (A) Collecting water (B) produce offspring (C) Reproductive organs (D) Food (E) vegetation (F) Bacteria growth (G) passenger pigeons (H) members of their own species
Example Output:
C