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