1.Adiscardedcigarettebuttsingedmyhand.2.Iwasburnedbyacarelesslythrown-awaycigarette.3.Myhandwasinjuredbyaburningcigarettebutt.4.Anignitedcigarettebuttcausedaburnonmyhand.5.Myhandwasscorchedbyacigarettebutt.