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