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.

Carlo Pedretti (born in Bologna, 1928) is an Italian historian. His area of expertise is the life and works of Leonardo da Vinci. By _his_ 13th birthday Pedretti had taught himself to write left handed and read backwards as did Leonardo. <sep>, Pronoun: his <sep>, A: Leonardo da Vinci <sep>, B: Pedretti
B