You will be given a definition of a task first, then some input of the task.
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.

He competed at tracks throughout California and at the newly built Santa Anita Racetrack in Arcadia, California he rode the first-ever winner for trainer Noble Threewitt during the opening season in which he would also win important races such as the San Felipe Stakes and Santa Margarita Handicap, the latter a race he would win three more times as a trainer. In 1946, Turk retired from riding and turned to training Thoroughbreds as a career. For owner Louis R. Rowan, Clyde Turk trained Ruken to a win in the 1967 Santa Anita Derby, the most important event for three-year-olds in California. At Churchill Downs they then won the Stepping Stone Purse which prompted bettors to make _him_ their third choice for the Kentucky Derby in which he would finish eighth. <sep>, Pronoun: him <sep>, A: Louis R. Rowan <sep>, B: Clyde Turk
Output:
B