Jaw is related to Chin. Chin is related to Part. Part is related to Toe. 
Boot is part of Car. Estate is a type of Car. Estate is related to Mansion. 
Jaw <--RelatedTo--> Chin <--RelatedTo--> Part <--RelatedTo--> Toe 
Boot --PartOf--> Car <--IsA-- Estate <--RelatedTo--> Mansion 