#controversy__contention__contestation__tilt__argument__arguing  a dispute where there is strong disagreement; "they were involved in a violent argument"
  supertype:  #dispute__difference__difference_of_opinion__conflict  a disagreement or argument about something important; "he had a dispute with his wife"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats"
  subtype:  #sparring.controversy  an argument in which the participants are trying to gain some advantage
  subtype:  #polemic  a controversy (especially over a belief or dogma)

No statement uses or specializes #controversy; click here to add one.