In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: Bishweshwar Prasad Koirala (8 September 1914  21 July 1982), commonly known as B. P. Koirala, was a Nepali politician and a prolific writer. He was the Prime Minister of Nepal from 1959 to 1960. He led the Nepali Congress, a social democratic political party., Nepal, officially the Federal Democratic Republic of Nepal, is a landlocked central Himalayan country in South Asia. It has a population of 26.4 million and is the 93rd largest country by area. Bordering China in the north and India in the south, east, and west, it is the largest sovereign Himalayan state. Nepal does not border Bangladesh, which is located within only 27 km (17 mi) of its southeastern tip. It neither borders Bhutan due to the Indian state of Sikkim being located in between. Nepal has a diverse geography, including fertile plains, subalpine forested hills, and eight of the world's ten tallest mountains, including Mount Everest, the highest point on Earth. Kathmandu is the nation's capital and largest city. It is a multiethnic nation with Nepali as the official language. , Major General Maha Gaurabmaya Tejaswi Tribhuvan Prajatantra Shripada The Rt Hon. Subarna Shamsher Rana (19101977) was a leading figure in the movement to overthrow the ruling Rana oligarchy and to establish democracy in Nepal. He was one of the three leaders of the Nepali Congress in the late 1940s, opposing his relatives, the Rana family, who held power in Nepal at the time. He is one of the most revered leaders of Nepali Congress., Durgananda Jha (Maithili) was Nepalese democratic fighter who attempted to assassinate King Mahendra of Nepal in January 1962 (Magh 9, 2018 BS) in Janakpur in southeastern Nepal. Durga was captured after he threw a bomb on a motor-vehicle carrying the king. He threw bomb in a strict security of thousands of army and police at the Janaki Temple premises in Janakpur during his visit to the eastern Terai.He was executed by shot-to-death in Magh 15, 2020 (February, 1964) at Central Jail, Kathmandu. At the time of execution he was 21 years old., Dal Singh Thapa ( Nepali :   ) was a leader of Nepali Congress . He was involved in the 1961 bombing against King Mahendra , and was sentenced to death ; this sentence was later changed to life imprisonment . His friend Durgananda Jha was hanged who was caught with him in bombing . After his father and mother were killed in their home , reportedly by member of the Armed Police Force , he stayed with Subarna Shamsher Rana and got into politics . He also was an advisor of late Bishweshwar Prasad Koirala and is known for his fight for democracy , staying 21 years in prison ., Subject: dal singh thapa, Relation: occupation, Options: (A) army (B) king (C) major general (D) minister (E) official (F) politician (G) sovereign (H) writer
politician