Kostiantyn Pylypiuk(important), Alex Komarovskiy(important), Alex Komarovskiy(interesting), Alex Komarovskiy(nice), Andrey Mis\'kov(interesting), Alexander Cherinko(important), Alexander Cherinko(interesting), Natalia Honcharyk(nice), Natalia Honcharyk(interesting), Natalia Honcharyk(important)