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