Charlie is blue. Dave is rough. Erin is blue. Harry is not nice. All green, nice people are not rough. If someone is nice and not rough then they are blue. All quiet people are young. If Erin is rough and Erin is not nice then Erin is quiet. All rough people are kind. All green people are young. All young people are green. If someone is not kind then they are quiet.
Harry is not blue.