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: Pinter wrote The Room over two or four days in 1957, depending on the account, at the suggestion of his friend Henry Woolf for his production as part of a postgraduate program in directing at the University of Bristol, Bristol, England. In their published interviews, Pinter and Woolf vary in describing how many days Pinter took to write The Room. According to Billington, in _his_ official biography Harold Pinter, Woolf asked Pinter to write the play in a letter that Pinter received in the autumn of 1956, when he ''was newly married'' to actress Vivien Merchant ''and in the middle of a season at Torquay''; ''(Pinter) replied that he couldn't possibly deliver anything in under six months. <sep>, Pronoun: his <sep>, A: Woolf <sep>, B: Pinter
Solution:
B