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