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: pushing on the pedals of a bike cause that bike to move, Fact2: Bike shoes allow a rider to pull during the whole pedal stroke., Question: pushing with strokes on a bike cause that bike to what (A) Lift (B) bend (C) bounce (D) power (E) move (F) break (G) motion (H) speed
[EX A]: E

[EX Q]: Fact1: cold fronts cause thunderstorms as they pass by, Fact2: Thunderstorms create havoc., Question: What do cold fronts cause? (A) death (B) complex (C) wind (D) streams (E) deadly (F) disease (G) havoc (H) mildew
[EX A]: G

[EX Q]: Fact1: Nitrogen is found in proteins, nucleic acids, and chlorophyll., Fact2: Lawns eat nitrogen., Question: what do lawns eat? (A) hydrate their cells (B) density (C) weathering (D) organic matter (E) By wind and rain (F) Something made from fermented ricce (G) proteins and nucleic acids (H) plastic
[EX A]:
G