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