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  the first horse used for transportation
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  the round thing that roles David anthony created it what a great guy he is.
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  A bus is a public transportation system
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  the oxen is a big bull that usally drags a big wagon.
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  A bike is a self pedaling system
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  A steam locomotive is a train that has a steam engine
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  A train is transportation system that drives on a track
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  A car is a transportation system that runs on gas
