Sergo Travelian(interesting), Sergo Travelian(nice), Sergo Travelian(important), Dmytro Petrychenko(nice), Dmytro Petrychenko(interesting), Dmytro Petrychenko(important), Natalia Honcharyk(interesting), Vsevolod Olenich(nice), Vsevolod Olenich(important), Vsevolod Olenich(interesting), Alex Komarovskiy(interesting), Alex Komarovskiy(important), Alex Komarovskiy(nice), Andrey Mis\'kov(interesting), Oleg Sheremet(nice), Oleg Sheremet(important), Oleg Sheremet(interesting), Nataliya Kolisnichenko(nice), Nataliya Kolisnichenko(interesting), Nikola Zmievskiy(nice), Nikola Zmievskiy(important), Nikola Zmievskiy(interesting), Kostiantyn Pylypiuk(nice), Kostiantyn Pylypiuk(interesting), Yakov Stepanov(important), Yakov Stepanov(nice), Yakov Stepanov(interesting), Irina Ortik(nice)