Instructions: 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: He did not met his model but based the paintings on the works of his teacher, Louis Caravaque. In 1755-1757 he worked in Moscow frescoeing the Golovkin palace. Here he met prince Ivan Shuvalov who supported Antropov's works for the rest of his life. In 1757 - 1759 Antropov returned to Saint-Petersburg and learned art from court painter Pietro Rotari of Italy. Historians consider _his_ portrait of A.M. Izmaylova to be a sort of a graduation work. <sep>, Pronoun: his <sep>, A: Antropov <sep>, B: Pietro Rotari
Output:
A