Definition: 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.
Input: Acosta was born in 1825 to Magdalena Santa Coloma Lezica, the daughter of a prominent Buenos Aires Province landowner, and Jos* Francisco Acosta, from Corrientes Province. Opposed to the repressive regime of Governor Juan Manuel de Rosas, Acosta emigrated to Europe shortly after _his_ secondary school graduation. <sep>, Pronoun: his <sep>, A: Juan Manuel de Rosas <sep>, B: Acosta

B