You will be given a definition of a task first, then some input of the task.
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.

MacDonald managed Villa until 8 September 2010, when former Liverpool and Olympique Lyonnais manager G*rard Houllier was officially announced as O'Neill's successor. MacDonald had previously announced his intentions to apply for the position on a full-time basis, however the club opted to sign Houllier instead. MacDonald did however take charge of Villa's next two games, before Houllier officially took the reins on 22 September after fulfilling _his_ duties with the France national team. <sep>, Pronoun: his <sep>, A: MacDonald <sep>, B: Houllier
Output:
B