A foreign tourist said, "If you don't visit Gushan, you won't be able to visit Fuzhou; if you don't see Moya stone carvings, you will come to Baishan Gushan. ". Based on this sentence, which of the following is the most likely conclusion? ['Tour Fuzhou, just watch Moya Stone Carvings.', "The Moya Stone Carvings in Gushan Concentrate on Fuzhou's Best Humanistic Landscape.", 'Tour Fuzhou, the most memorable is the Moya Stone Carvings.', 'Tour Fuzhou, you should first watch Moya Stone Carvings.']