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