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