Definition: 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: Willie's younger brother, Tad, cried for nearly a month because he and Willie were very close brothers. Lincoln generated no official correspondence for four days. Mary was so distraught that Lincoln feared for _her_ sanity. <sep>, Pronoun: her <sep>, A: Mary <sep>, B: Lincoln

A