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