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").

[EX Q]: Fact1: Mollusks reproduce sexually., Fact2: Mollusks are the dominant invertebrate., Question: what reproduces sexually? (A) A compound that donates proton (B) spread flower seeds (C) They have webbed feet (D) Plant reproduction (E) By wind and rain (F) passenger pigeons (G) the dominant invertebrate (H) Something found in San Francisco
[EX A]: G

[EX Q]: 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
[EX A]: E

[EX Q]: Fact1: Most fungi get organic compounds from dead organisms., Fact2: Mushrooms and molds are fungi., Question: What can get organic compounds from dead organisms? (A) roots (B) air (C) Most plants (D) nitrogen (E) ferns (F) mushrooms (G) bacteria (H) oxygen
[EX A]:
F