Given the task definition and input, reply with output. 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.

From the age of two, Rebecca was diagnosed with ADHD and bipolar disorder, mainly on the basis of information given by her mother to child psychiatrist Kayoko Kifuji from the Tufts-New England Medical Center. Kifuji prescribed a range of drugs for Rebecca: clonidine, valproate (Depakote), dextromethorphan, and chlorpheniramine and _her_ heart and lungs were damaged due to prolonged use of these prescription drugs. <sep>, Pronoun: her <sep>, A: Kifuji <sep>, B: Rebecca
B