Given the task definition and input, reply with output. 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.

In Luo Guanzhong 's historical novel Romance of the Three Kingdoms, after Guan Yu was killed by Sun Quan, Ma Zhong was awarded Guan Yu's steed, the Red Hare, for his performance in the battle for Jing Province. However, because the Red Hare had been tamed by Guan Yu, it starved itself to death to join its previous master. After hearing that Liu Bei was planning to attack Eastern Wu to avenge Guan Yu, Ma Zhong began getting _his_ troops ready for the battle with Liu Bei. <sep>, Pronoun: his <sep>, A: Guan Yu <sep>, B: Ma Zhong
B