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.

Trentini and Orville Harrold appeared in 136 performances before the production was taken on the road. A dispute between Herbert and Trentini arose when Herbert requested that Trentini perform an encore of the Street Song. Trentini ignored him because she wished to save her voice for the rest of the performance. The feud between Herbert and Trentini gave composer Rudolf Friml _his_ first big opportunity. <sep>, Pronoun: his <sep>, A: Herbert <sep>, B: Rudolf Friml
Output:
B