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