Session is related to Case. Case is related to Stuff. Stuff is related to Horror. Horror is a synonym of Nightmare. 
Argument is a type of Summary. Summary is a type of Statement. Statement is related to Profit. Profit is related to Loss. 
Session <--RelatedTo--> Case <--RelatedTo--> Stuff <--RelatedTo--> Horror <--Synonym--> Nightmare 
Argument --IsA--> Summary --IsA--> Statement <--RelatedTo--> Profit <--RelatedTo--> Loss 