<|im_start|>user
Classify each of these as ground transportation or aviation transportation: airplane, truck, bicycle, unicycle, jet, wagon, helicopter.<|im_end|>
<|im_start|>assistant
Ground transportation would include all vehicles that travel along the ground. From the list you provided these include: truck, bicycle, unicycle, and wagon.

Aviation transportation includes any vehicle that flies. From the list you provided these include: airplane, jet, and helicopter.<|im_end|>
