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