Given the task definition and input, reply with output. 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.

Potter failed to make any further first team appearances for Rovers and joined East Fife as a goalkeeping coach. After a playing spell in junior football with Oakley United, Potter joined Hamilton Academical as a goalkeeping coach. Potter was signed as a player by Hamilton in March 2008 to offer cover to their two existing goalkeepers. _He_had been listed as a trialist substitute on a number of occasions earlier in the season. <sep>, Pronoun: He <sep>, A: Potter <sep>, B: Hamilton
A