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.

The men's race had a tighter lead pack than the women's for the first 20 mi (32 km), when Geoffrey Mutai, the eventual winner, and Stanley Biwott, the eventual fifth-place finisher, broke away from the pack. Mutai and Biwott continued to lead the pack after 22 mi (35 km). Mutai then pulled ahead of Biwott to lead by 9 seconds after 23 mi (37 km), and led _him_ by 33 seconds after 24 mi (39 km). <sep>, Pronoun: him <sep>, A: Mutai <sep>, B: Biwott
B