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.

He compared the work of the remixers as ``as subtle as a jackhammer, whether it's on the metallic-flaked ''American Life`` by Headcleanr or the '90s-retro Nevins mix of ''Nothing Fails``. On all these mixes, Madonna sounds as if she's out of step with the music of 2003''. Erlewine also compared Spears' vocals with that of Madonna's during _her_ early days and Aguilera's with that of Cher's. <sep>, Pronoun: her <sep>, A: Spears <sep>, B: Madonna
Output:
B