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