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: Kiribati competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourth consecutive appearance at the Summer Olympics. The Kiribati team consisted of three athletes: track sprinters John Ruuka and Karitaake Tewaaki, and weightlifter David Katoatau, who reprised _his_ role of leading the delegation for the third straight time as the nation's flag bearer in the opening ceremony. <sep>, Pronoun: his <sep>, A: John Ruuka <sep>, B: David Katoatau
Solution:
B