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