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