Teacher: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.
Teacher: Now, understand the problem? Solve this instance: She competed at the 2009 World Championships in Athletics in Berlin but she failed to match her early season form, finishing with a best clearance of 4.55*m. She improved to 4.60*m at the 2009 IAAF World Athletics Final, winning the silver medal. At the 2010 IAAF World Indoor Championships, Murer took advantage of Yelena Isinbayeva 's failure at 4.75*m and continued at 4.80*m, clearing first time and winning _her_ first global championships. <sep>, Pronoun: her <sep>, A: Murer <sep>, B: Yelena Isinbayeva
Student:
A