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