Dave is high. Dave is huge. Alan is tiny. Alan is small. Fiona is nice. Gary is dull. Gary is bad. If someone is not big then they are dull. If someone is not sad then they are smart. If someone is nice then they are wealthy. If someone is wealthy and not rough then they are quiet. If someone is dull and not big then they are poor. All poor people are short. If someone is tiny and small then they are rough. If someone is rough and not wealthy then they are bad. If someone is bad then they are young. If someone is smart then they are kind. All kind people are clever. All quiet people are old. 
Fiona is not old.