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