Erin is big. Erin is huge. Fiona is short. Fiona is small. Bob is quiet. Alan is poor. Alan is dull. If someone is not high then they are poor. If someone is not rough then they are kind. If someone is quiet then they are nice. If someone is nice and not sad then they are smart. If someone is poor and not high then they are bad. All bad people are thin. If someone is short and small then they are sad. If someone is sad and not nice then they are dull. If someone is dull then they are young. If someone is kind then they are wealthy. All wealthy people are clever. All smart people are old. 
Erin is not thin.