Please answer the following question: Information: - Lake Baikal (, "Baygal nuur", etymologically meaning, in Mongolian, "the Nature Lake") is a rift lake in Russia, located in southern Siberia, between Irkutsk Oblast to the northwest and the Buryat Republic to the southeast. - Siberia is an extensive geographical region, and by the broadest definition is also known as North Asia. Siberia has historically been a part of Russia since the 17th century. - Yakuts ("Sakha"), are Turkic people who mainly inhabit the Sakha Republic (Yakutia). - Russia (from the Rus'), also officially known as the Russian Federation, is a country in Eurasia. At , Russia is the largest country in the world by surface area, covering more than one-eighth of the Earth's inhabited land area, and the ninth most populous, with over 140million people at the end of March 2016. The European western part of the country is much more populated and urbanised than the eastern, about 77% of the population live in European Russia. Russia's capital Moscow is one of the largest cities in the world, other major urban centers include Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod and Samara. - The Sakha (Yakutia) Republic ("Saxa Orospuubulukete") is a federal subject of Russia (a republic). It has a population of 958,528 (2010 Census), consisting mainly of ethnic Yakuts and Russians. - The Sayan Mountains ("Sayany" "Soyon nuru"; "Kogmen Mountains" during the period of the Gokturks) are a mountain range in southern Siberia, Russia (the Tyva Republic specifically) and northern Mongolia. In the past, it served as the border between Mongolia and Russia. - The Central Siberian Plateau ( Russian : ) is made up of sharply demarcated surfaces of varying altitudes occupying most of Siberia between the Yenisei and Lena rivers . It extends over an area of 3.5 million km . The highest point is the Putoran Mountains rising to 1701 m. To the north of the plateau are the Putoran Mountains while to the south are the Eastern Sayan and the Baikal Mountains . To the east the plateau gives way to the low - lying land of the Yakuts . The Central Siberian Plateau covers one - third of Siberia . The climate is continental with short warm summers and long and very cold winters . Most of the territory is covered with conifer forests ( larch is especially abundant ) . The plateau 's major river is the Lower Tunguska . Known geologically as the Siberian Traps , mineral resources here are very rich and include coal , iron ore , gold , platinum , diamonds and natural gas . - The Baikal Mountains or Baikal Range ("Baykalskiy khrebet") rise steeply over the northwestern shore of Lake Baikal in southern Siberia, Russia. The Central Siberian Plateau is bounded on the south by the Eastern Sayan Mountains and the Baikal Mountains. - In geography, regions are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and the environment (environmental geography). Geographic regions and sub-regions are mostly described by their imprecisely defined, and sometimes transitory boundaries, except in human geography, where jurisdiction areas such as national borders are defined in law. - North Asia or Northern Asia is a subregion of Asia, consisting of Siberia, and Russian Far East in the Asian portion of Russia the area east of the Ural Mountains. A large part of the region is also known as Asian Russia. Given the paragraphs above, decide what entity has the relation 'instance of' with 'mountain range'.
A:
central siberian plateau