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