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