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: mountains are formed by earthquakes, Fact2: For mountains one goes to the Alps., Question: What was formed by earthquakes? (A) deposits (B) coarse grit (C) backbones (D) road bends (E) The Alps (F) pitches (G) waves (H) Otoacoustic
Example Output: E

Example Input: Fact1: Nonmetal elements are far fewer in number., Fact2: Elements to the right of the semiconductors are Nonmetals., Question: Elements to the right of the semiconductors are far what in number? (A) size (B) hole (C) fewer (D) eight (E) calcium (F) several (G) solid (H) shells
Example Output: C

Example Input: Fact1: erosion can cause a landslide, Fact2: Landslides indicate unstable terrain., Question: what can erosion cause? (A) hurricanes (B) h2o (C) Pollution (D) slow and inefficient (E) unstable terrain (F) Physical weathering (G) flooding (H) hydrogen
Example Output:
E