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: Nathan began playing rugby at the Wahroonga Tigers Rugby Club in Sydney, where he played over 200 games and gained junior representative honours for Gordon, Metropolitan North & Sydney Juniors. Nathan attended proud rugby school, Knox Grammar, also in Sydney, where he went on to represent CAS, NSW Schoolboys & Australian Schoolboys. During _his_ final two years of schooling (2005-6, Nathan played for Knox Grammar School in Sydney on the Saturday, and the Canterbury SG Ball team on either the Friday or Sunday. Charles signed a Bulldogs contract, but had an agreement that if he made the Australian Schoolboys team, he could get out of the deal. <sep>, Pronoun: his <sep>, A: Nathan <sep>, B: Charles
Output:
A