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