Erin is huge. Erin is high. Harry is little. Harry is small. Fiona is smart. Gary is sad. Gary is bad. If someone is not big then they are sad. If someone is not rough then they are quiet. If someone is smart then they are kind. If someone is kind and not dull then they are clever. If someone is sad and not big then they are poor. All poor people are thin. If someone is little and small then they are dull. If someone is dull and not kind then they are bad. If someone is bad then they are young. If someone is quiet then they are nice. All nice people are wealthy. All clever people are experienced. 
Erin is not thin.