Harry is strong. Harry is high. Gary is tiny. Gary is small. Bob is clever. Alan is rough. Alan is dull. If someone is not big then they are rough. If someone is not sad then they are smart. If someone is clever then they are wealthy. If someone is wealthy and not poor then they are quiet. If someone is rough and not big then they are bad. All bad people are thin. If someone is tiny and small then they are poor. If someone is poor and not wealthy then they are dull. If someone is dull then they are young. If someone is smart then they are nice. All nice people are kind. All quiet people are experienced. 
Gary is not young.