Life can be Unfair. Body is a type of Life. Body is related to Doctor. Doctor is related to Works. 
World can be Diverse. World is a type of Reality. Reality is the opposite of Fiction. 
Unfair <--HasProperty-- Life <--IsA-- Body <--RelatedTo--> Doctor <--RelatedTo--> Works 
Diverse <--HasProperty-- World --IsA--> Reality <--Antonym--> Fiction 