Artist is a type of Worker. Artist is related to Profession. Profession is related to Psychologist. Psychologist is related to Mental. 
Lady is the opposite of Class. Class is related to Travel. 
Worker <--IsA-- Artist <--RelatedTo--> Profession <--RelatedTo--> Psychologist <--RelatedTo--> Mental 
Lady <--Antonym--> Class <--RelatedTo--> Travel 