The dog is cold. The dog is nice. The dog is rough. The dog is round. The dog is young. If something is young and cold then it is round. Nice, rough things are cold. If the dog is cold and the dog is rough then the dog is young. If the dog is rough and the dog is nice then the dog is young. If something is young and nice then it is round. All round things are nice. Nice things are young. If something is round and young then it is nice.
The dog is not young.