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