Given the task definition and input, reply with output. 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.

Her initial ambition was to become a ``cultured'' private secretary working in the highest cultural circles. A month later, the Michigan League building opened, serving co-eds as the Michigan Union served men. Hartwig began by doing secretarial work there, when Dr. Margaret Bell, the head of women's physical education, spotted _her_. <sep>, Pronoun: her <sep>, A: Hartwig <sep>, B: Margaret Bell
A