Assertion: skateboarder's skateboard | /r/HasAspect | wheel
Facets:
Source sentences:
text: the friction of the skateboard is rolling because the skateboard has wheels and static because the person is standing on the skateboard.
text: Unlike some other skateboards that have wheels that are quite stiff, causing them to feel like they will lock up when you ride on them, the wheels in this complete skateboard for beginners are smooth and comfortable.