Given the task definition and input, reply with output. 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: Byerastavitsa District is an administrative subdivision, a raion of Grodno Region, in Belarus., Tadeusz Kruczkowski ( Belarusian :   ; born January 5 , 1961 in Jaskoda near Vyalikaya Byerastavitsa ) is a Polish - Belarusian historian and activist . He was the President of the Union of Poles in Belarus from 2000 to 2005 . He is a lecturer at the Hrodna University ., Belarus ( lat. ', ), officially the Republic of Belarus, formerly known by its Russian name Byelorussia (though this name is no longer used in Belarus itself, even in Russian language), is a landlocked country in Eastern Europe bordered by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Its capital and most populous city is Minsk. Over 40% of its is forested. Its strongest economic sectors are service industries and manufacturing. Until the 20th century, different states at various times controlled the lands of modern-day Belarus, including the Principality of Polotsk (11th to 14th centuries), the Grand Duchy of Lithuania, the PolishLithuanian Commonwealth, and the Russian Empire., A historian is a person who researches, studies, and writes about the past, and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is concerned with events preceding written history, the individual is a historian of prehistory. Although "historian" can be used to describe amateur and professional historians alike, it is reserved more recently for those who have acquired graduate degrees in the discipline. Some historians, though, are recognized by publications or training and experience. "Historian" became a professional occupation in the late nineteenth century as research universities were emerging in Germany and elsewhere., The Union of Poles in Belarus is an organization located in Belarus. The group, which has a membership of 20,000 people, represents the Polish minority in Belarus, numbering about 400,000, as per official data (and much higher according to unofficial estimates)., Vialikaja Bierastavica (, ) is an town in Belarus, Grodno Region, Byerastavitsa District. It is the capital city of Byerastavitsa District. It is located near the city of Grodno., Grodno or Hrodna ("Hrodna"   see also other names) is a city in western Belarus. It is located on the Neman close to the borders of Poland and Lithuania (about and away respectively). It has 365,610 inhabitants (2016 census). It is the capital of Grodno Region and Grodno District., Grodno/Hrodna Region ("Hrodzienskaja vobas"  "Grodnenskaya oblast") is one of the regions of Belarus. It is located in the northwestern part of the country., Subject: tadeusz kruczkowski, Relation: country_of_citizenship, Options: (A) belarus (B) germany (C) grand duchy of lithuania (D) poland (E) russian empire
poland