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