Assertion: unicycle's wheel | /r/HasProperty | driven by crank
Facets:
value: to cycle
type: PURPOSE
Source sentences:
text: The bike was a 2 wheeled machine which could be powered without having to use your feet on the ground with the front wheel used for steering and the back wheel driven by cranks to cycle.
text: MacMillan combined three modern design elements: two smallish wheels with the rider seated between them, a back wheel driven by cranks and a front wheel that was used to steer the bicycle.