Dave is huge. Dave is strong. Gary is short. Gary is tiny. Harry is clever. Bob is bad. Bob is dull. If someone is not big then they are bad. If someone is not sad then they are wealthy. If someone is clever then they are nice. If someone is nice and not poor then they are kind. If someone is bad and not big then they are rough. All rough people are little. If someone is short and tiny then they are poor. If someone is poor and not nice then they are dull. If someone is dull then they are young. If someone is wealthy then they are quiet. All quiet people are smart. All kind people are old. 
Bob is not smart.