1 it should be Elina, her parents often call her 2 it might be Sasha, it seems that it is his voice, 3 it must be Anna, she always loses something, 4 it should be Alex, as he is ill, 5 it must be Roman, he is a good comedian, 6 it must be Emil, he always does like that, since he has been doing sports professionally for many years, 7 it can't be Alex, as he didn't come today, 8 it can't be my friends, maybe some strangers, 9 it must be Andrei, he likes it a lot, 10 it must be Emil, 11 it should be Marina, 12 It mught be Sasha 13 it must ve Andrei, 14 it must be Roman, 15 It can't be Elina.
