Korean is a type of Asian. Korean is related to Language. Language is related to Literature. Literature is related to Writing. 
Material is similar to Physical. Physical is related to Disease. Rape is a type of Disease. Rape is a synonym of Assault. 
Asian <--IsA-- Korean <--RelatedTo--> Language <--RelatedTo--> Literature <--RelatedTo--> Writing 
Material <--SimilarTo--> Physical <--RelatedTo--> Disease <--IsA-- Rape <--Synonym--> Assault 