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.

However, unbeknownst to her they have spotted her tailing them. Tracking them, she finds herself alone in an alley where Toru has strategically left a mysterious, glowing red ring on the ground for her to pick up. Aiko reaches for it, when suddenly the vampire gang's witch Kumiko flies overhead behind _her_ with the Scythe. <sep>, Pronoun: her <sep>, A: Aiko <sep>, B: Kumiko
Output:
A