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.

Marcus has two daughters, Karen and Debra, and one grand child, Isaac. Karen Singer is Principal and Artistic Director of Karen Singer Tileworks. Debra Singer is a photographer/designer focused on environmental advocacy. One of his closest friends was Claudia Card, Emma Goldman Professor of Philosophy, UW Madison,who he mentored since _her_ undergraduate years at UW. <sep>, Pronoun: her <sep>, A: Claudia Card <sep>, B: Emma Goldman
A