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.

The first caution came out on lap 9 when Aric Almirola got tapped from behind by David Ragan and spun near the entrance to pit road, nearly collecting Travis Kvapil. The race restarted on lap 11, with Busch still leading; Busch would remain there until lap 53, when Dale Earnhardt, Jr. passed him for the lead. With the help of his Busch  _his_ former teammate), Tony Stewart passed Earnhardt, Jr. for the led while entering turn 4. <sep>, Pronoun: his <sep>, A: Tony Stewart <sep>, B: Earnhardt
Output:
A