Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: 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

John K. Herr