Existence is derived from Exist. Exist is the opposite of Death. Death is a type of State. Division is a type of State. 
Bet is related to Risk. Risk is related to Adventure. Adventure is the opposite of Boring. Boring is related to Poetry. 
Existence --DerivedFrom--> Exist <--Antonym--> Death --IsA--> State <--IsA-- Division 
Bet <--RelatedTo--> Risk <--RelatedTo--> Adventure <--Antonym--> Boring <--RelatedTo--> Poetry 