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