Fiona is big. Fiona is strong. Charlie is thin. Charlie is short. Gary is quiet. Alan is poor. Alan is bad. If someone is not huge then they are poor. If someone is not sad then they are kind. If someone is quiet then they are wealthy. If someone is wealthy and not dull then they are smart. If someone is poor and not huge then they are rough. If someone is thin and short then they are dull. If someone is dull and not wealthy then they are bad. All kind people are nice. 
Alan is not nice.