You will be given a definition of a task first, then some input of the task.
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.

The iron-hulled steamer Gertrude was built in Whiteinch, Glasgow, Scotland as Yard No.100 at the Clydeholm yard of Barclay, Curle & Company as an American Civil War blockade runner and launched on 25 November 1862. Along with _her_ sistership Emma, she was built for Thomas Stirling Begbie, a London shipowner and merchant. <sep>, Pronoun: her <sep>, A: Gertrude <sep>, B: Emma
Output:
A