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