Definition: 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.
Input: A post that has been occupied and resigned by other missions, now falls to the lot of one of our colonists : and although the report of his success may not probably extend beyond the borders of our colony, yet we feel assured that his reward will be conferred in another and better world. Thomas Jackson was listed as a Reverend and probationer of the Methodist Church in the Journal of the General Conference of the Methodist Episcopal Church 1844--1847. Evidence of _his_ missionary work was mentioned in the Journal of a tour of Governor John B Russwurm and Mr Stuart to the Saureekai, Toboe and Bolobo countries on October 4, 1843, published in the Maryland Colonization Journal: <sep>, Pronoun: his <sep>, A: Reverend <sep>, B: John B Russwurm

Neither