Answer the following question: Information: - The languages of Papua New Guinea today number over 850. These languages are spoken by the inhabited tribal groups of Papua New Guinea making it the most linguistically diverse place on earth. Its official languages are Tok Pisin, English, Hiri Motu and Papua New Guinean Sign Language. Tok Pisin, an English-based creole, is the most widely spoken, serving as the country's lingua franca. Papua New Guinean Sign Language became the 4th official language in May 2015, as it is spoken by the deaf population all over the country. - The South Bird 's Head or South Doberai languages are three families of Papuan languages . They form part of the Trans -- New Guinea languages in the classification of Malcolm Ross . - Papuan is an umbrella term for the various indigenous peoples of New Guinea and neighbouring islands, speakers of the Papuan languages. They are often distinguished ethnically and linguistically from Austronesians, speakers of a language family introduced into New Guinea about three thousand years ago. - Sidney Herbert Ray (28 May 1858 1 January 1939) was a comparative and descriptive linguist who specialized in Melanesian languages. In 1892, he read an important paper, "The languages of British New Guinea", to the Ninth International Congress of Orientalists. In that paper, he established the distinction between the Austronesian and Papuan languages of New Guinea. Although he never held an academic position, and was employed throughout his working life as a school teacher, S. H. Ray was an energetic fieldworker, and participated in a number of expeditions. - 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. - New Guinea (or, historically, "") is a large Island in the South West Pacific region. - The Papuan languages are a subset of Languages of Papua New Guinea of the western Pacific island of New Guinea, and neighbouring islands, that are neither Austronesian nor Australian. The term does not presuppose a genetic relationship. The concept of Papuan peoples as distinct from Melanesians was first suggested and named by Sidney Herbert Ray in 1892. What entity does 'south bird's head languages' has the relation 'instance of' with?
Answer:
language family