They have two options to vote for. A. Do you want Crimea to be a seperate state? B. Do you want Crimea to rejoin Russia? There is no option to stay a part of Ukraine. There cannot be a more bull(*)(*)(*)(*) referendum than this, as the will of people is not represented. Anyone who wants to stay part of Ukraine is (*)(*)(*)(*) out of luck, and that's why the USA is right to call ths charade "illegal".