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: He has also played for the Kansas City Chiefs. Jackson was signed as an undrafted free agent by the Atlanta Falcons in 2006. In week 7 of his rookie season, Jackson was activated as starting nose guard to replace veteran Pro Bowler Rod Coleman, who is out with a toe injury. In only _his_ second start, Jackson got his first sack in the NFL against the Cleveland Browns. <sep>, Pronoun: his <sep>, A: Rod Coleman <sep>, B: Jackson

A: B
****
Q: Kathleen first appears when Theresa visits _her_ in a prison in London. <sep>, Pronoun: her <sep>, A: Kathleen <sep>, B: Theresa

A: A
****
Q: Sun regained control of Kwangtung in early 1923, again with the help of mercenaries from Yunnan and from the Comintern. Undertaking a reform of the KMT, he established a revolutionary government aimed at unifying China under the KMT. That same year, Sun sent Chiang to spend three months in Moscow studying the Soviet political and military system. During _his_ trip in Russia, Chiang met Leon Trotsky and other Soviet leaders, but quickly came to the conclusion that the Russian model of government was not suitable for China. <sep>, Pronoun: his <sep>, A: Chiang <sep>, B: Leon Trotsky

A:
A
****