Alan is big. Alan is huge. Harry is thin. Harry is small. Dave is smart. Erin is sad. Erin is dull. If someone is not high then they are sad. If someone is not rough then they are wealthy. If someone is smart then they are nice. If someone is nice and not poor then they are kind. If someone is sad and not high then they are bad. If someone is thin and small then they are poor. If someone is poor and not nice then they are dull. All wealthy people are quiet. 
Harry is dull.