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: a battery converts chemical energy into electrical energy, Fact2: Electrical energy can be converted into kinetic energy and heat energy by an electric motor., Question: What can convert chemical energy into kinetic energy (A) a magnet (B) a vacuum (C) a windmill (D) a battery (E) arteries (F) barnacles (G) animals (H) engines
[EX A]: D

[EX Q]: Fact1: Ozone depletion results in higher levels of UV radiation reaching Earth., Fact2: Birds live on Earth, trees live on Earth., Question: what results in higher levels of uv radiation reaching the place birds and trees live? (A) emissions (B) earthquakes (C) oxidation reaction (D) ozone depletion (E) global warming (F) important habitats (G) fairies (H) the ozone layer strengthening
[EX A]: D

[EX Q]: Fact1: pushing on the pedals of a bike cause that bike to move, Fact2: Force is a push or a pull., Question: What on the pedals of a bike cause that bike to move? (A) force (B) heat (C) nothing (D) a lack of energy (E) zero energy (F) muscles (G) speed (H) motion
[EX A]:
A