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.

Williams also recorded Hill in Muscle Shoals, Alabama, in 1971, resulting in several R&B hits, including ``Chokin' Kind'' and ``It Ain't No Use'', as well as the LP The Brand New Z. Z. Hill. With his brother's help, Hill then signed with United Artists, where he was aided by arrangements and compositions by established R&B talents including Lamont Dozier and Allen Toussaint, and released several singles that made the R&B chart in the mid 1970s. After _his_ brother Matt's sudden death from a heart attack, Z. Z. Hill left United Artists and signed with Columbia Records, recording two albums with leading arranger-producer, Bert de Coteaux in New York. <sep>, Pronoun: his <sep>, A: Allen Toussaint <sep>, B: Matt
Neither