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: This acquisition secured communication with Henry for the future. In the fall of 1110 Pedro placed his wife, Mayor Rodr*guez, and his ward, Alfonso, in his newly acquired castle. One of the queen's supporters, a minor nobleman named Arias P*rez, attacked suddenly and forced Pedro to retreat, leaving _his_ wife and charge besieged in the castle. <sep>, Pronoun: his <sep>, A: Arias P*rez <sep>, B: Pedro
A:
B