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.

Following assignments to the 3rd and 7th (Pacific) and the 2nd (Atlantic) Fleets, Marcinkowski returned to Michigan where he earned his B.A. degree in Political Science from Michigan State University in 1982. At Michigan State, Marcinkowski ran Ronald Reagan's campus campaign in 1980 and served as the Michigan College Republican chairman in 1980-1982. In 1985 _he_earned a law degree from the University of Detroit School of Law. <sep>, Pronoun: he <sep>, A: Marcinkowski <sep>, B: Ronald Reagan
Output:
A