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.

The article has spawned an ongoing international debate on whether trade within a nation state is greater than trade among nations, as compared with the predictions of standard economic models. As McGill University 'ss Dean of Arts, McCallum secured a $10 million contribution from Charles Bronfman for the establishment of the McGill Institute for the Study of Canada. _He_also participated in the national unity debates of the early 1990s, editing the Canada Round Series of the C. D. Howe Institute and engaging in debate with then Opposition Leader Jacques Parizeau at Quebec's National Assembly. <sep>, Pronoun: He <sep>, A: McCallum <sep>, B: Charles Bronfman
Output:
A