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