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 was called to the Ontario bar in 1967 and practiced private law at Wright & McTaggart and its successor firms until 1982, at which point he went to work as Associate Deputy Minister of Justice for the Government of Canada. In 1986, he went on to practice at McCarthy T*trault, until he was appointed to the Supreme Court of Canada in 1998, replacing Justice John Sopinka. Just as with _his_ predecessor, Binnie had never sat as a judge before his appointment to the Supreme Court. <sep>, Pronoun: his <sep>, A: John Sopinka <sep>, B: Binnie

B