Bob is round. Bob is nice. Charlie is red. Dave is round. Dave is rough. Dave is kind. Dave is blue. Dave is big. Gary is young. Gary is rough. Gary is green. Gary is blue. If someone is big and blue and young then they are kind. If someone is round and cold and rough then they are young. If someone is blue and rough then they are nice. If someone is big and nice then they are cold. If someone is round and blue and green then they are nice. If someone is blue and cold and red then they are round. If someone is cold and rough and big then they are kind.
Dave is not young.