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