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