Teacher: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.
Teacher: Now, understand the problem? Solve this instance: In December 1939, the United States Cavalry consisted of two mechanized and twelve horse regiments of 790 horses each. Chief of Cavalry John K. Herr, a proponent of horse troops (``conservative and downright mossback'' according to Allan Millett yet ``noble and tragic in _his_ loyalty to horse'' according to Roman Jarymowycz), intended to increase them to 1275 horses each. <sep>, Pronoun: his <sep>, A: John K. Herr <sep>, B: Allan Millett
Student:
A