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