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: Roy Martin Haines is a British historian. Haines is the son of Evan George Martin Haines, who served in the Welsh Guards during World War I and died in 1929 from an illness attributable to _his_ military service. <sep>, Pronoun: his <sep>, A: Haines <sep>, B: George Martin
A:
A