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.

In 1788, as a newly-minted second lieutenant, he took up a post in the military academy in K*nigsberg, where he also attended some of the lectures of Immanuel Kant. From 1794-96, Boyen took part in the Polish campaign as Adjutant to General von G*nther. In 1799, _he_became a Captain. <sep>, Pronoun: he <sep>, A: Boyen <sep>, B: von G*nther
Output:
A