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.

However, they were penetrated by Shek and after battling alongside Pierre against the thugs, the thugs managed to escape after one of the thugs Sean (Shawn Patrick Berry) was arrested. After this, Yamamoto orders the thugs to leave Hong Kong, who refuse to do so since Bobby (Robert Samuels), Sean's older brother, refuses to leave without _his_ brother. <sep>, Pronoun: his <sep>, A: Robert Samuels <sep>, B: Sean
Output:
A