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