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