Context: The New Georgia Islands are part of the Western Province of the Solomon Islands. They are located to the northwest of Guadalcanal. The larger islands are mountainous and covered in rain forest. The main islands are New Georgia, Vella Lavella, Kolombangara (a dormant volcano), Ghizo, Vangunu, Rendova and Tetepare. They are surrounded by coral reefs and includes the largest salt water lagoon in the world: Marovo lagoon., A cay (or ), also spelled caye or key, is a small, low-elevation, sandy island on the surface of a coral reef. Cays occur in tropical environments throughout the Pacific, Atlantic and Indian Oceans (including in the Caribbean and on the Great Barrier Reef and Belize Barrier Reef)., New Georgia is the largest island of the Western Province of the Solomon Islands. With an area of 2,037 km, it is the 200th largest island in the world., A lagoon is a shallow body of water separated from a larger body of water by barrier islands or reefs. Lagoons are commonly divided into coastal lagoons and atoll lagoons. They have also been identified as occurring on mixed-sand and gravel coastlines. There is an overlap between bodies of water classified as coastal lagoons and bodies of water classified as estuaries. Lagoons are common coastal features around many parts of the world., 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., The Santa Cruz Islands are a group of islands in the Pacific Ocean, part of Temotu Province of the Solomon Islands. They lie approximately 250 miles (400 km) to the southeast of the Solomon Islands Chain. The Santa Cruz Islands lie just north of the archipelago of Vanuatu, and are considered part of the Vanuatu rain forests ecoregion., Kolombangara ( sometimes spelled Kulambangara ) is an island in the New Georgia Islands group of the Solomon Islands in the southwestern Pacific Ocean . The name is from a local language , a rough translation of its meaning is `` Water Lord '' with approximately 80 rivers and streams running down its flanks ., A continent is one of several very large landmasses on Earth. Generally identified by convention rather than any strict criteria, up to seven regions are commonly regarded as continents. Ordered from largest in size to smallest, they are: Asia, Africa, North America, South America, Antarctica, Europe, and Australia. In geology, areas of continental crust include regions covered with water., Marovo Lagoon is a large saltwater lagoon located in the New Georgia Islands, north of Vangunu Island, at . It is part of the Solomon Islands. It encompasses 700 square km and is protected by a double barrier reef system., The Northern Solomons were the more northerly group of islands in the Solomon Islands archipelago over which Germany declared a protectorate in 1885. Initially the German Solomon Islands Protectorate included Choiseul, Santa Isabel, the Shortlands and Ontong Java Islands, but in 1900 these islands were transferred to the British Solomon Islands Protectorate. The largest of the Solomon Islands, Bougainville, continued under German administration until World War I when it fell to Australia, and after the war, it formally passed to Australian jurisdiction under a League of Nations mandate. 
Today, the original North Solomon Islands are split between the Autonomous Region of Bougainville in Papua New Guinea and the successor state of the British Solomon Islands which was officially renamed from "the British Solomon Islands Protectorate" to "Solomon Islands" in 1975 prior to becoming an independent, sovereign state in 1976., Vella Lavella is an island in the Western Province of the Solomon Islands. It lies to the west of New Georgia, but is considered one of the New Georgia Group. To its west are the Treasury Islands., 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., 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., Papua New Guinea (PNG  Hiri Motu: "Papua Niu Gini"), officially the Independent State of Papua New Guinea, is an Oceanian country that occupies the eastern half of the island of New Guinea and its offshore islands in Melanesia, a region of the southwestern Pacific Ocean north of Australia. Its capital, located along its southeastern coast, is Port Moresby. The western half of New Guinea forms the Indonesian provinces of Papua and West Papua., Honiara is the capital city of Solomon Islands, administered as a provincial town on the northwestern coast of Guadalcanal. it had a population of 84,520 people. The city is served by Honiara International Airport and the sea port of Point Cruz, and lies along the Kukum Highway., The Philippines, officially the Republic of the Philippines, is a sovereign island country in Southeast Asia situated in the western Pacific Ocean. It consists of about 7,641 islands that are categorized broadly under three main geographical divisions from north to south: Luzon, Visayas, and Mindanao. The capital city of the Philippines is Manila and the most populous city is Quezon City, both part of Metro Manila. Bounded by the South China Sea on the west, the Philippine Sea on the east and the Celebes Sea on the southwest, the Philippines shares maritime borders with Taiwan to the north, Vietnam to the west, Palau to the east and Malaysia and Indonesia to the south., Vangunu is an island, part of the New Georgia Islands in the Solomon Islands. It is located between New Georgia and Nggatokae Island, at . To the north and east of the island is Marovo Lagoon., Guadalcanal (indigenous name: "Isatabu") is the principal island in Guadalcanal Province of the nation of Solomon Islands in the south-western Pacific, northeast of Australia. Its European discovery was under the Spanish expedition of Álvaro de Mendaña in 1568. The name comes from Guadalcanal, a village in the province of Seville, in Andalusia, Spain, birthplace of Pedro de Ortega Valencia, a member of Mendaña's expedition., Melanesia is a subregion of Oceania (and occasionally Australasia) extending from the western end of the Pacific Ocean to the Arafura Sea, and eastward to Fiji., Subject: kolombangara, Relation: country, Options: (A) antarctica (B) australia (C) belize (D) fiji (E) georgia (F) germany (G) guinea (H) indonesia (I) philippines (J) solomon islands (K) spain (L) vanuatu (M) world
Output: indonesia