The dog is not blue. The dog is not cold. The dog is nice. The dog is rough. The dog is not round. Round things are not blue. All round things are blue. All cold things are not blue. If something is rough and not round then it is nice. If something is blue and not cold then it is rough. If something is round and not rough then it is not nice. If something is not rough then it is nice. If something is not rough then it is not nice.
The dog is not blue.