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.
Input: Alexandra Byrne is a costume designer. Alexandra Byrne trained on the Motley Theatre Design Course under Margaret Harris before embarking on _her_ career as a costume designer in film. <sep>, Pronoun: her <sep>, A: Alexandra Byrne <sep>, B: Margaret Harris
Output:
A