undoubtedly, Ukraine it's the country that generates more comments in all the preselection of Eurovision 2016, Jamala sent "1944", a song who speak about the invasion of the Russia in the Crimea. I don't know if Russia will like this song, but we have to separate policy, this song it's great, one of the favorites this year, with one of the best scenography seen this year. You can check that:
Ukraine is always in the top 10 of Eurovision, wi will know this year if that's possible for them again, but is one of the favorites of this year: