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