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.
Q: Tina's girlfriend, an attractive young Chinese woman named Maggie Lah, comes to visit him shortly thereafter. Maggie realises something is wrong on arriving at Tina's apartment, as the front door has been left open, and enters the apartment trying not to attract notice. Koko realises _she_ has entered but is not sure of her whereabouts. <sep>, Pronoun: she <sep>, A: Maggie <sep>, B: Tina
A:
A