Wound is related to Car. Tire is part of Car. Exhaust is a type of Tire. Exhaust is a type of System. 
Bike is a different concept from Car. Car is a different concept from Truck. 
Wound <--RelatedTo--> Car <--PartOf-- Tire <--IsA-- Exhaust --IsA--> System 
Bike <--DistinctFrom--> Car <--DistinctFrom--> Truck 