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