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