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.

Her husband, Arthur Plantagenet was created Viscount Lisle on 25 April 1523. He continued to hold the title after her death in about 1525. After Arthur Plantagenet's death in 1542 the viscountcy went to Elizabeth Grey's eldest son by her first marriage, John Dudley, ``by the right of _his_ mother''. <sep>, Pronoun: his <sep>, A: Arthur Plantagenet <sep>, B: John Dudley
Output:
B