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.

A painting of Johnson's final mission was commissioned by the Oklahoma State Senate Historical Preservation Fund, Inc. in 2000 and hangs in the Oklahoma State Senate conference room on the fourth floor of the Oklahoma State Capitol. Johnson collaborated with aviation author Martin Caidin to write _his_ autobiographical story of the 56th Fighter Group, Thunderbolt! <sep>, Pronoun: his <sep>, A: Johnson <sep>, B: Martin Caidin
A