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