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.

Let me give you an example: 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
The answer to this example can be: MacKenzie
Here is why: Based on the text, his refers to MacKenzie.

OK. solve this:
When Rutherford commission portraits of past presidents were commissioned for the White House, Lucy insisted that paintings of both Martha Washington and Dolley Madison also grace the walls of the presidential mansion. Lucy's own official portrait by Daniel Huntington was commissioned by the Woman's Christian Temperance Union. On _his_ 48th birthday, Rutherford wrote to Lucy, ''My life with you has been so happy--so successful--so beyond reasonable anticipations, that I think of you with a loving gratitude that I do not know how to express.'' <sep>, Pronoun: his
Answer:
Rutherford