Svetlana is a 45-year-old single mother with two children: Georgi 17; and Ingrid 13. The children's father, Vladimir, has a serious gambling problem and only visits them sporadically. Vladimir's younger brother Sergei, on the other hand, is a dependable and helpful uncle who helps Svetlana regularly with the children. Svetlana meets with Robert, an insurance agent to review her life insurance needs because she wants to make sure that her children are taken care of if she were to die prematurely. Robert suggests that she purchase a $200,000 policy. Who should she name as a beneficiary?