thank you , hello, girl, oh, tell me where i can see graduate student stefanov, stefanov, what do you, they keep coming and coming, i'm just tired of him, i need to be with him talk, investigator lapina, oh, forgive me, please, excuse me, i thought you were a student, no big deal, stefanov is not here, i took it at my own expense, and where can i find him, abroad, although a chicken is not a bird, not abroad, in a week. he will be back, and why do you need it, maybe i can help you, uh, senior laboratory assistant of the mineralogy department, roza, you can do without a patronymic, nice to meet you, katerina, tell me, do you know tatyana ninasheva, she came to you here, oh, yes, i don’t remember their names, there are so many of them, like honey smeared, well, look at the photo, maybe you will recognize her, and tatyana, and she doesn't miss classes, when was the last time you saw her, the last time, well, i can't tell you exactly, um, i think it was on thursday, on thursday, strange, on wednesday she was already dead, dead, in what sense, did she die or something, was she killed, what