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