Dave is huge. Dave is strong. Charlie is thin. Charlie is short. Alan is nice. Gary is sad. Gary is poor. If someone is not high then they are sad. If someone is not rough 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 bad. If someone is thin and short then they are dull. If someone is dull and not wealthy then they are poor. All quiet people are kind. 
Dave is not bad.