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.

Artigas, who thought that the gauchos were not treated well, supported the new ideas. Buenos Aires deposed the viceroy in 1810, during the May Revolution, who was replaced by the Primera Junta. Mariano Moreno, secretary of war, wrote at the Operations plan that Artigas would be a descisive ally against the royalists in Montevideo, and called _him_ for an interview. <sep>, Pronoun: him <sep>, A: Mariano Moreno <sep>, B: Artigas
Output:
B