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: This exhibition is historically considered one of the first ``Pop Art'' exhibitions in America. Ruscha had his first solo exhibition in 1963 at the Ferus Gallery in Los Angeles. In 1966, Ruscha was included in ``Los Angeles Now'' at the Robert Fraser Gallery in London, _his_ first European exhibition. <sep>, Pronoun: his <sep>, A: Ruscha <sep>, B: Robert Fraser

A