Assertion: motorcycle's rider | /r/CapableOf | use modified snowmobiles
Facets:
value: extensively
type: DEGREE
Source sentences:
text: Some riders use extensively modified snowmobiles, customized with aftermarket accessories like handle-bar risers, handguards, custom/lightweight hoods, windshields, and seats, running board supports, studs, and numerous other modifications that increase power and maneuverability.