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