Harry is big. Harry is strong. Bob is short. Bob is thin. Alan is kind. Charlie is bad. Charlie is poor. If someone is not high then they are bad. If someone is not rough then they are quiet. If someone is kind then they are nice. If someone is nice and not dull then they are wealthy. If someone is bad and not high then they are sad. If someone is short and thin then they are dull. If someone is dull and not nice then they are poor. All quiet people are smart. 
Harry is not sad.