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