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 Curtis's involvement in the project was short-lived, Roundabout would eventually evolve into Deep Purple the following year. Chris Curtis choice of Bobby Darin's ``When I Come Home'' despite a strong band performance, was a relative chart failure by their standards, which to an extent undermined _his_ position as song selector for the band thereafter, and some internal disagreements over musical policy/direction, that had been evident earlier when Tony Jackson left resurfaced, which probably further hindered the group's musical progression and very likely played a part in Curtis leaving in 1966. <sep>, Pronoun: his <sep>, A: Tony Jackson <sep>, B: Curtis

B