Given the question: Information: - An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island in a river or a lake island may be called an eyot or ait, and a small island off the coast may be called a holm. A grouping of geographically or geologically related islands is called an archipelago, e.g. the Philippines. - An archipelago, sometimes called an island group or island chain, is a chain, cluster or collection of islands. The word "archipelago" is derived from the Greek "- arkhi-" ("chief") and " pelagos" ("sea") through the Italian "arcipelago". In Italian, possibly following a tradition of antiquity, the Archipelago (from medieval Greek "*" and Latin "archipelagus") was the proper name for the Aegean Sea and, later, usage shifted to refer to the Aegean Islands (since the sea is remarkable for its large number of islands). It is now used to refer to any island group or, sometimes, to a sea containing a small number of scattered islands. - Shefa is one of the six provinces of Vanuatu , located in the center of the country and including the islands of Epi and Efate and the Shepherd Islands . The province 's name is derived from the initial letters of SHepherd and EFAte . It has a population of 78,723 people and an area of 1,455 km . Its capital is Port Vila , which is also the capital of the nation . - Efate is an island in the Pacific Ocean which is part of the Shefa Province in The Republic of Vanuatu. It is also known as Ile Vate. - Vanuatu (or ; Bislama ), officially the Republic of Vanuatu (Bislama: "Ripablik blong Vanuatu"), is a Pacific island nation located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is some east of northern Australia, northeast of New Caledonia, east of New Guinea, southeast of the Solomon Islands, and west of Fiji. - Solomon Islands is a sovereign country consisting of six major islands and over 900 smaller islands in Oceania lying to the east of Papua New Guinea and northwest of Vanuatu and covering a land area of . The country's capital, Honiara, is located on the island of Guadalcanal. The country takes its name from the Solomon Islands archipelago, which is a collection of Melanesian islands that also includes the North Solomon Islands (part of Papua New Guinea), but excludes outlying islands, such as Rennell and Bellona, and the Santa Cruz Islands. - Fiji ((), officially the Republic of Fiji, is an island country in Melanesia in the South Pacific Ocean about northeast of New Zealand's North Island. Its closest neighbours are Vanuatu to the west, New Caledonia to the southwest, New Zealand's Kermadec Islands to the southeast, Tonga to the east, the Samoas and France's Wallis and Futuna to the northeast, and Tuvalu to the north. - Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It is the world's sixth-largest country by total area. The neighbouring countries are Papua New Guinea, Indonesia and East Timor to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east. Australia's capital is Canberra, and its largest urban area is Sydney. - The Shepherd Islands (coordinates ) are a group of islands lying between the larger islands of Epi and Efate, in the Shefa province of Vanuatu. The aggregate land area is . At the 2009 census the population numbered 3634. - The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south and is bounded by Asia and Australia in the west and the Americas in the east. - Bislama (also known under its earlier name in French "Bichelamar" ) is a creole language, one of the official languages of Vanuatu. It is the first language of many of the "Urban ni-Vanuatu" (those who live in Port Vila and Luganville), and the second language of much of the rest of the country's residents. "Yumi, Yumi, Yumi", the Vanuatu national anthem, is in Bislama. - New Caledonia is a special collectivity of France located in the southwest Pacific Ocean, east of Australia and east of Metropolitan France. The archipelago, part of the Melanesia subregion, includes the main island of Grande Terre, the Loyalty Islands, the Chesterfield Islands, the Belep archipelago, the Isle of Pines, and a few remote islets. The Chesterfield Islands are in the Coral Sea. Locals refer to Grande Terre as "" ("the pebble"). - New Guinea (or, historically, "") is a large Island in the South West Pacific region. What object entity has the relation of 'instance of' with the subject 'shefa province'? Choices: - archipelago - area - census - chain - cluster - collection - continent - country - definition - group - island - lake - lake island - lying - name - nation - national anthem - number - ocean - official - port - province - province of vanuatu - region - republic - river - sea - six - tradition - water
The answer is:
province of vanuatu