Relative is related to Grandmother. Grandmother is a different concept from Grandfather. Grandfather is related to Man. Man is related to Leader. 
Dictate is a type of Rule. Rule is related to Power. Power is related to Engine. Car have Engine. 
Relative <--RelatedTo--> Grandmother <--DistinctFrom--> Grandfather <--RelatedTo--> Man <--RelatedTo--> Leader 
Dictate --IsA--> Rule <--RelatedTo--> Power <--RelatedTo--> Engine <--HasA-- Car 