Dave is blue. Dave is furry. Dave is not kind. Dave is nice. Dave is quiet. Dave is rough. Dave is young. Kind, blue things are quiet. If something is blue and not rough then it is not furry. All blue things are young. If Dave is not nice then Dave is quiet. If Dave is not furry then Dave is not nice. If Dave is blue and Dave is not nice then Dave is kind. If something is not blue and not young then it is quiet. If something is nice and not young then it is not quiet.
Dave is not blue.