Please evaluate each of the following five sentences depending on whether it is natural or not. <br/><br/>(a) John must be rich to live in such a large house. <br/><br/>(b) John must be rich to live in such a large house as this. <br/><br/>(c) John must be rich to live in such a large house like this. <br/><br/>(d) John must be rich to live in such a large house as that. <br/><br/>(e) John must be rich to live in such a large house like that.