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