Definition: 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.
Input: On July 20, 1969, Apollo 11 astronauts Neil Armstrong and Joe Muldoon walk on the moon, and Nixon's ``most historic phone call'' is joined by a call from former President Kennedy, committing the United States to send a manned mission to Mars, which Nixon backs as part of _his_ fateful decision to decide the future of manned spaceflight, instead of deciding on the Space Shuttle program as he did in our timeline. <sep>, Pronoun: his <sep>, A: President Kennedy <sep>, B: Nixon

B