Detailed Instructions: 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).
Problem:Context: 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 140 million 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., An academician is a full member of an artistic, literary, or scientific academy. In many countries, it is an honorific title used to denote a full member of an academy that has a strong influence on national scientific life. In systems such as the Academy of Sciences of the USSR, the title grants privileges and administrative responsibilities for funding allocation and research priorities., Academician Andrey Petrovych Ershov ( Russian :    ; 19 April 1931 , Moscow -- 8 December 1988 , Moscow ) was a Soviet computer scientist , notable as a pioneer in systems programming and programming language research . Donald Knuth considers him to be the inventor of the idea of hashing . He also created one of the first algorithms for compiling arithmetic expressions . He was responsible for the languages ALPHA and Rapira , AIST - 0 the first Soviet time - sharing system , electronic publishing system RUBIN , and MRAMOR , a multiprocessing workstation . He also was the initiator of developing the Computer Bank of the Russian Language (     ) , the Soviet project for creating a large representative Russian corpus , a project in the 1980s comparable to the Bank of English and British National Corpus . The Russian National Corpus created by the Russian Academy of Sciences in the 2000s is a successor of Ershov 's project . From 1959 he worked at the Siberian Division of the USSR Academy of Sciences , and helped found both the Novosibirsk Computer Center and the Siberian School of Computer Science . He received the Academician A. N. Krylov Prize from the Academy of Sciences , the first programmer to be so recognized . In 1974 he was made a Distinguished Fellow of the British Computer Society , and in 1981 he received the Silver Core Award of the IFIP . To computer science community he is mostly known for his speech `` Aesthetics and the Human Factor in Programming '' presented at the dinner at the AFIPS Spring Joint Computer Conference in 1972 and , due to its importance , republished as an article by the Communications of the ACM ., Moscow (or ) is the capital and most populous city of Russia, with 12.2 million residents within the city limits and 16.8 million within the urban area. Moscow has the status of a Russian federal city., Subject: andrey ershov, Relation: member_of, Options: (A) academy of sciences of the ussr (B) s
Solution:
academy of sciences of the ussr