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: Robert Martin died in 1355, his wife surviving him until 1373, when the manor passed to her eldest son by her first husband, Sir Walter de Romsey. It then passed by inheritance into the Keilway family, it being held by John Keilway on his death in 1547. His son Francis died in 1601--2, and _his_ son Thomas succeeded to Rockbourne, which, already heavily mortgaged to Sir Anthony Ashley, he sold in 1608 to Sir Anthony's son-in-law, Sir John Cooper. <sep>, Pronoun: his <sep>, A: Thomas <sep>, B: Anthony Ashley

Neither