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