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