one thing you do when you Smoke is Cancer. Smoke can be Dangerous. 
Quarter is a type of Person. Person is the opposite of Group. Group is a synonym of Circle. Circle is related to Roll. 
Cancer <--HasSubevent-- Smoke --HasProperty--> Dangerous 
Quarter --IsA--> Person <--Antonym--> Group <--Synonym--> Circle <--RelatedTo--> Roll 