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.

Bored with her life and with Don, her lawyer boyfriend, waitress Ellen Ward craves excitement. She accepts an invitation from Ritchie and Mike, a couple of petty crooks, and ends up giving them an alibi for a crime. Ritchie rewards her with $100. Ellen catches the eye racketeer Charles Blake, irking his moll Vivian, who attacks _her_ with a pair of scissors. <sep>, Pronoun: her <sep>, A: Ellen <sep>, B: Vivian
Output:
A