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.

[Q]: During his tenure, Askenasy completed additional neurosurgical training as a fellow in the U.S.A. and Canada at Lahey Clinic with Gilbert Horrax (Boston, MA), Mayo Clinic with Alfred Adson (Rochester, MN), University of Illinois at Chicago with Paul Bucy (Chicago, IL), University of Chicago with Percival Bailey (Chicago, IL), McGill University with Wilder Penfield (Montreal, Quebec, Canada), University of Michigan with Max M. Peet (Ann Arbor, MI), and the University of Pennsylvania with Charles Frazier (Philadelphia, PA). During _his_ training with Walter Dandy, Dr. Askenasy learned trigeminal nerve vascular decompression of the cranial nerve entry zone. <sep>, Pronoun: his <sep>, A: Charles Frazier <sep>, B: Walter Dandy
[A]: Neither


[Q]: The whole town turned against Gwen, as Casey's family had been the cornerstone of Oakdale for many, many years. Even Will turned against her. While Carly had custody of the child, Gwen had visitation rights. Carly wanted to force Gwen out once and for all, resorting to dirty tricks to get _her_ out of the picture. <sep>, Pronoun: her <sep>, A: Carly <sep>, B: Gwen
[A]: B


[Q]: As Emperor Taizong of Tang wanted to enter into an alliance with Xueyantuo against Eastern Tujue, he sent the general Qiao Shiwang (***) as an envoy to Yi'nan, recognizing him the Zhenzhupiqie Khan (or Zhenzhu Khan in short), and awarding him with drums and banners. Yi'nan was very pleased, and he offered tribute to Emperor Taizong. It was said that by this point, _his_ territory stretched from the Mohe to the east, Western Tujue to the west, and Gobi Desert to the south, and that many tribes, including Huige, Bayegu, Adie (**), Tongluo (**), Pugu (**), and Xi (*), all submitted to him. <sep>, Pronoun: his <sep>, A: Emperor Taizong <sep>, B: Adie (**
[A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
A


