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: Although the best American hurdler Harrison Dillard did not qualify to the Olympics, the three Americans Porter, Clyde Scott and Craig Dixon were headlong over the rest of the field in the Olympic final. From the start to finish they ran almost neck to neck, with the others some five yards behind. In the finish, Porter gained a clear win with Scott beating Dixon by inches for second place. After _his_ athletics career, Porter worked for the Northwestern Alumni Association Board and later opened a sales agency in California. <sep>, Pronoun: his <sep>, A: Dixon <sep>, B: Porter

B