You will be given a definition of a task first, then some input of the task.
In this task, you will be presented with a text, a pronoun from the text, and two candidate names. You should determine what the pronoun refers to and classify the answers into A, B, or Neither. A and B here are referring to option A and option B. Position of the pronoun in the text is showed within two "_"s.

A benevolent and just leader, the Kaiser married late, having dedicated his life to his people. His greatest failing is his devotion to Alena, a love that clouds his judgment, and blinds him to her malign influence. Alena von Medeim/Raisa Vasilyeva Raisa Vasilyeva is the illegitimate daughter of Ursa's Czar. When _her_ half-sister the Princess Alena was lost fleeing Ursa's revolution Raisa took her name and her title, rising through the ranks of society to eventually become the Kaiser's consort. <sep>, Pronoun: her <sep>, A: Raisa Vasilyeva Raisa Vasilyeva <sep>, B: Alena
Output:
A