Dave is strong. Dave is high. Fiona is little. Fiona is tiny. Charlie is kind. Anne is sad. Anne is poor. If someone is not big then they are sad. If someone is not dull then they are smart. If someone is kind then they are nice. If someone is nice and not bad then they are clever. If someone is sad and not big then they are rough. All rough people are thin. If someone is little and tiny then they are bad. If someone is bad and not nice then they are poor. If someone is poor then they are young. If someone is smart then they are wealthy. All wealthy people are quiet. All clever people are old. 
Dave is not thin.