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: when a metal rusts , that metal becomes orange on the surface, Fact2: Iron rusts in the presence of oxygen and water., Question: Exposure to oxygen and water can cause iron to  (A) decrease strength (B) melt (C) uncontrollable burning (D) thermal expansion (E) turn orange on the surface (F) vibrate (G) Extremes of temperature (H) levitate
[EX A]: E

[EX Q]: Fact1: if fossils of an animal or plant are found in a place then that animal or plant used to live in that place, Fact2: Many of the same plants and animals can be found in many other types of habitats., Question: Animal and plant fossils are located where? (A) living things (B) dead organisms (C) through a plant (D) in an animal (E) mouth of rivers (F) in a pot (G) in their habitats (H) Earth orbiting the Sun
[EX A]:
G