Sergo Travelian(nice), Family Kuzhel(nice), Roman Yaremchuk(nice), Andrey Mis\'kov(nice), Vitalii Kazannyk(nice), Vitalii Kazannyk(important), ALENA FOMINA(nice), ALENA FOMINA(interesting), Dmytro Petrychenko(nice), Dmytro Petrychenko(interesting), Dmytro Petrychenko(important), Andrew Simon(nice), Olexandr Ghryb(nice), Yevgen Chernolyev(nice), Yakov Stepanov(nice), Oleksandr Kovalchuk(nice), Oleksandr Kovalchuk(important), Natalia Honcharyk(nice), Natalia Honcharyk(interesting), Vasil Bodnar(nice), Vasil Bodnar(interesting), Olga Gajduk(nice), Olga Gajduk(interesting), Ihor Vietokhin(nice)