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