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: This, he charged, should be devoted to the souls of himself, his wife, Kings Henry IV and V, and to each past, present and future member of the Order of the Garter. In 1421 Robert acted as his nephew's executor, following Gilbert's death in the disastrous English defeat at the Battle of Baug*. From _his_ nephew, Umfraville inherited the Redesdale and Kyme estates; he had already lost his lordship of Langley in 1414 when the second Earl of Northumberland was restored to his patrimony. <sep>, Pronoun: his <sep>, A: Gilbert <sep>, B: Umfraville

A