Detailed Instructions: 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: However, when one of the participants is dropped from the hotel room in the Night Baron costume, and the costume is mysteriously taken afterwards, Conan must rush to find the killer. Rachel and Serena (and Conan) attend the wedding of their middle school music teacher. But when _she_ is poisoned from her lemon tea drink, Conan determines possible culprits. <sep>, Pronoun: she <sep>, A: Rachel <sep>, B: Serena
A:
Neither