Detailed Instructions: 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.
Problem:Labor's Bill Hegney gained the seat of Pilbara from two-term Nationalist MLA Frank Welsh, whilst the Nationalist member since 1914 for North Perth, James MacCallum Smith, was defeated by independent Nationalist Arthur Abbott (who joined the party some years later). Elsewhere, the only change was the exit of one Independent member--Clarence Doust in Nelson, who was defeated by _his_ Nationalist predecessor John Henry Smith after one term--and the entry of another from Irwin-Moore, Claude Barker, replacing Country member Percy Ferguson. <sep>, Pronoun: his <sep>, A: Clarence Doust <sep>, B: Nelson
Solution:
A