House is a type of Play. House is related to Kitchen. you are likely to find Teaspoon in/at/on Kitchen. 
Heart is a type of Organ. Heart can Beat. Beat is related to Fight. 
Play <--IsA-- House <--RelatedTo--> Kitchen <--AtLocation-- Teaspoon 
Organ <--IsA-- Heart --CapableOf--> Beat <--RelatedTo--> Fight 