Charlie is huge. Charlie is big. Harry is little. Harry is short. Bob is wealthy. Gary is sad. Gary is dull. If someone is not high then they are sad. If someone is not bad then they are nice. If someone is wealthy then they are kind. If someone is kind and not poor then they are quiet. If someone is sad and not high then they are rough. If someone is little and short then they are poor. If someone is poor and not kind then they are dull. All nice people are smart. 
Gary is not smart.