Given the task definition and input, reply with output. 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.

In November 1549, Janet exchanged the English prisoner James Wilford for the release of James Lord Fleming who had been captured during the war of the Rough Wooing. In October 1552, Janet's situation in Scotland was described by Mary of Guise in a letter written to _her_ brother, the Cardinal of Lorraine. <sep>, Pronoun: her <sep>, A: Janet <sep>, B: Mary of Guise
B