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 and a pronoun. You should write the name that the pronoun refers to. 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
Solution: MacKenzie
Why? Based on the text, his refers to MacKenzie.

New input: Liza Lehmann Liza Lehmann (11 July 1862 -- 19 September 1918) was an English operatic soprano and composer, known for her vocal compositions. After vocal studies with Alberto Randegger and Jenny Lind, and composition studies with teachers including Hamish MacCunn, Lehmann made _her_ singing debut in 1885 in London and pursued a concert career for nearly a decade. <sep>, Pronoun: her
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Lehmann