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