Charlie is high. Charlie is big. Alan is short. Alan is thin. Gary is nice. Dave is sad. Dave is rough. If someone is not huge then they are sad. If someone is not dull then they are wealthy. If someone is nice then they are clever. If someone is clever and not poor then they are smart. If someone is sad and not huge then they are bad. All bad people are small. If someone is short and thin then they are poor. If someone is poor and not clever then they are rough. If someone is rough then they are young. If someone is wealthy then they are kind. All kind people are quiet. All smart people are old. 
Alan is not young.