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: He quickly became a favorite of the Chicago Bears fans. Perry, who wore number 72 as a Chicago Bear, became famous for his prowess as a defensive lineman. In addition, Perry was used as a fullback when his team was near the opponents' goal line or 4th and short situations, either as a ball carrier or a lead blocker for running back Walter Payton. During _his_ rookie season, Perry rushed for 2 touchdown s and caught a pass for one. <sep>, Pronoun: his <sep>, A: Walter Payton <sep>, B: Perry
Output:
B