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: This particular government recalled all the Greek officers who participated in the anti-Ottoman revolutionary movements in Thessaly, Epirus and Macedonia to return to Greece while by personal requirement of Kallergis, Otto's adjutants-- Gennaios Kolokotronis, Spyromilios, Ioannis Mamouris and Gardikiotis Grivas--were dismissed, while the hitherto Minister of Military Affairs, Skarlatos Soutsos, was suspended. When _he_was minister, Kallergis formed for the first time in Greece a fire brigade. <sep>, Pronoun: he <sep>, A: Ioannis Mamouris <sep>, B: Kallergis
Output:
B