premise: Lithuanians are of an ethnicity.
hypothesis: Lithuanians '' ' ( lietuviai , singular lietuvis/lietuv ė '' ) are a Baltic ethnic group , native to Lithuania , where they number around 2,561,300 people . According to the census conducted in 2001 , 83.45 % of the population of Lithuania identified themselves as Lithuanians , 6.74 % as Poles , 6.31 % as Russians , 1.23 % as Belarusians , and 2.27 % as members of other ethnic groups .