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