Utility is a type of Service. Facility is a type of Service. Facility is a synonym of Ease. 
Rubber is a type of Contest. Contest is a synonym of Controversy. Controversy is a synonym of Argument. Argument is related to Opinion. 
Utility --IsA--> Service <--IsA-- Facility <--Synonym--> Ease 
Rubber --IsA--> Contest <--Synonym--> Controversy <--Synonym--> Argument <--RelatedTo--> Opinion 