You will be given a definition of a task first, then some input of the task.
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.

He, like the majority of those in the Irish Republican Brotherhood, supported the Anglo-Irish Treaty and was involved in debates against de Valera during the controversy, most especially discussing the status of Sinn F*in as a political entity. He was re-elected as a Pro-Treaty Sinn F*in TD in the 1922 general election, siding with the Free State government during the Irish Civil War. According to Frank Henderson, as told to Ernie O'Malley, Liam Lynch and other members of the *amon de Valera's Anti-Treaty faction began planning the assassination of McGarry among other TDs supporting the Public Safety Bill. On 10 December 1922, shortly before the first meeting of the Free State parliament, a fire was deliberately set by the Irregulars at _his_ family home resulting in the death of his son. <sep>, Pronoun: his <sep>, A: *amon de Valera <sep>, B: McGarry
Output:
B