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