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.

She did not start high school until 2000, aged 17, when she joined Kapkenda Secondary School. It was in the field of cross country running that she gained her first major junior medal, running at the 2000 IAAF World Cross Country Championships. Timbilil took the silver medal behind Vivian Cheruiyot, completing a Kenyan sweep of the medals which led the junior women to the team gold. At the age of seventeen, _she_ gained selection for the 2000 Sydney Olympics and reached the 10,000*m final, finishing in fourteenth place with a personal best run of 31:50.22. <sep>, Pronoun: she <sep>, A: Timbilil <sep>, B: Vivian Cheruiyot
A