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.

Heir of both the Kingdom of Bohemia and the Kingdom of Hungary, he remained under the tutelage of his Leopoldian cousin Frederick V, who in 1440 had been elected King of the Romans upon Albert's death. Ladislaus' claims to Hungary were acknowledged after King W*adys*aw had been killed in the 1444 Battle of Varna, however, _he_became the real ruler only after the death of regent John Hunyadi in 1456. <sep>, Pronoun: he <sep>, A: Ladislaus <sep>, B: King W*adys*aw
A

The composer conducted soloists Ursula Zollenkopf, Jeanne Deroubaix, Hugues Cu*nod, Richard Robinson, Charles Scharbach and Robert Oliver, the NDR Chor and the NDR Sinfonieorchester. Stravinsky dedicated the performance to Alessandro Piovesan, director of the Venice Biennale, who had recently died. The first Paris performance, on 14 November 1958, was disastrous. According to Stephen Walsh, Pierre Boulez failed to fulfil _his_ undertaking to obtain adequate performers, and those that he could obtain broke down several times. <sep>, Pronoun: his <sep>, A: Stephen Walsh <sep>, B: Pierre Boulez
B

Zhang Tianxi ended the practice of using Emperor Min of Jin's era name Jianxing and instead started using the current era name of Jin Dynasty (at the time, Emperor Ai's Shengping), to show even greater affinity with Jin. In 363, Princess Dowager Ma died, and Zhang Xuanjing honored Lady Guo as princess dowager. _She_ became concerned that Zhang Tianxi was acting dictatorally, and she conspired with the high-level official Zhang Qin (**) to kill Zhang Tianxi, but the news leaked, and Zhang Qin and other conspirators were put to death. <sep>, Pronoun: She <sep>, A: Princess Dowager Ma <sep>, B: Lady Guo

B