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.

Taken in by S.H.I.E.L.D. she is under the direct supervision of its longtime executive director, Nick Fury, even after the latter's defection from the agency during the events of the ``Secret War'' series. She possesses a ``Level 10'' security clearance, the only known agent aside from Fury and the Black Widow (Natasha Romanova) to do so. In _her_ most visible action, Johnson has helped to defeat the powerful mutant rebel leader Magneto by inducing a vibration in his brain that made him lose consciousness. <sep>, Pronoun: her <sep>, A: Natasha Romanova <sep>, B: Johnson
Output:
B