You will be given a definition of a task first, then an example. Follow the example to solve a new instance 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 grew up in Evanston, Illinois the second oldest of five children including his brothers, Fred and Gordon and sisters, Marge (Peppy) and Marilyn. His high school days were spent at New Trier High School in Winnetka, Illinois. MacKenzie studied with Bernard Leach from 1949 to 1952. _His_ simple, wheel-thrown functional pottery is heavily influenced by the oriental aesthetic of Shoji Hamada and Kanjiro Kawai. <sep>, Pronoun: His <sep>, A: MacKenzie <sep>, B: Bernard Leach
Solution: A
Why? Based on the text, his refers to MacKenzie so option A is correct.

New input: 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
Solution:
Neither