You will be given a definition of a task first, then some input 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.

From 2003 to 2006, Shumlin returned to the Shumlin family business, Putney Student Travel, an educational firm that allows students in middle and high school to travel to foreign countries, learn about different cultures, and prepare for college. In 2006, Shumlin ran successfully for his old seat in the State Senate upon the retirement of Rod Gander, who served from 2003 to 2007. Upon _his_ return, Shumlin was once again elected President Pro Tempore. <sep>, Pronoun: his <sep>, A: Rod Gander <sep>, B: Shumlin
Output:
B