Charlie is furry. Fiona is furry. Harry is nice. If something is young then it is furry. Furry things are cold. White, cold things are not green. If something is nice then it is cold. If something is not furry and not green then it is not blue. If something is furry and not cold then it is nice. If something is not nice and not furry then it is blue. If something is young and not nice then it is blue.
Harry is not white.