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