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