Dave is huge. Dave is strong. Bob is tiny. Bob is thin. Erin is clever. Fiona is rough. Fiona is bad. If someone is not high then they are rough. If someone is not dull then they are kind. If someone is clever then they are nice. If someone is nice and not poor then they are wealthy. If someone is rough and not high then they are sad. All sad people are little. If someone is tiny and thin then they are poor. If someone is poor and not nice then they are bad. If someone is bad then they are young. If someone is kind then they are smart. All smart people are quiet. All wealthy people are old. 
Bob is not young.