School is related to Center. Center is a type of Class. Class is related to Graduation. Graduation is related to Circumstance. 
Cream is related to Edge. Edge is related to Sword. Sword is a synonym of Brand. Brand is a type of Mountain. 
School <--RelatedTo--> Center --IsA--> Class <--RelatedTo--> Graduation <--RelatedTo--> Circumstance 
Cream <--RelatedTo--> Edge <--RelatedTo--> Sword <--Synonym--> Brand --IsA--> Mountain 