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: By traveling up the north side of the Potomac River, which was easier because of the mountainous terrain on the south side, the party missed the stream which gives the town its name. On the return trip, however, the explorers discovered the stream and subsequently placed it on the map as a ``new creek.'' Together with Professor Alexander Irvin, Mayo was also responsible for setting the boundary between Virginia and North Carolina. One of the rivers intersecting the line was named the Mayo River in _his_ honor. <sep>, Pronoun: his <sep>, A: Alexander Irvin <sep>, B: Mayo
A:
B