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: In 1907, at West Horsley in Surrey, he married the international concert pianist, Gertrude Peppercorn (1879--1966), daughter of the landscape painter Arthur Douglas Peppercorn (sometimes called ``the English Corot''), and they had one son, Timothy, born in 1921. A year after _his_ marriage, Aumonier began a career in a second branch of the arts at which he enjoyed outstanding success--as a stage performer writing and performing his own sketches. <sep>, Pronoun: his <sep>, A: Arthur Douglas Peppercorn <sep>, B: Timothy

Neither