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.

Louise Guthrie (October 10, 1879 -- February 20, 1966) was a South African botanist and botanical artist. Isobel Louise Sophie Guthrie was born in Cape Town, South Africa, in 1879, the daughter of English-born botanist and mathematics professor Francis Guthrie and his wife, Isabella Grisbrook. _She_ attended Rustenburg Girls High School. <sep>, Pronoun: She <sep>, A: Isobel Louise Sophie Guthrie <sep>, B: Isabella Grisbrook
A