Color is related to Example. Apology is a type of Example. 
Journal is related to Book. you are likely to find Book in/at/on Floor. Floor can be Dirty. Dirty is related to Pig. 
Color <--RelatedTo--> Example <--IsA-- Apology 
Journal <--RelatedTo--> Book --AtLocation--> Floor --HasProperty--> Dirty <--RelatedTo--> Pig 