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