Definition: 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.
Input: It is around this time that Lily is visited by Heidi at the center; Carol and Brian are arguing, and Heidi has learned that Lily is her birth mother. The two begin to form a relationship, but Isabelle becomes distressed at the sight of Heidi. Lily is later told by Brian that Heidi is now in hospital after _her_ spleen ruptured, though she is recovering and asking to see Lily. <sep>, Pronoun: her <sep>, A: Lily <sep>, B: Heidi

B