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