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