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.
Q: Saurin retained some indirect political influence until the enactment of Catholic Emancipation in 1829 finally ended his political career. Despite his increasing age he returned to private practice for some years, and became ``Father of the Bar'' (that is, its longest serving member). Saurin married Mary O'Brien, daughter of Edward Dominic O'Brien and Mary Carrick. _She_ was the sister of William O'Brien, 2nd Marquess of Thomond, and James O'Brien, 3rd Marquess of Thomond, and the widow of Sir Richard Eyre Cox, 4th Baronet (died 1783). <sep>, Pronoun: She <sep>, A: Mary O'Brien <sep>, B: Mary Carrick
A:
A