TASK 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.
PROBLEM: 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

SOLUTION: A

PROBLEM: He continued to write fiction, and in 1915 published his most famous work, The Thirty-Nine Steps, a spy-thriller set just prior to World War I. The novel featured Buchan's oft used hero, Richard Hannay, whose character was based on Edmund Ironside, a friend of Buchan from his days in South Africa. A sequel, Greenmantle, came the following year. Buchan then enlisted in the British Army and was commissioned as a second lieutenant in the Intelligence Corps, where he wrote speeches and communiqu*s for Sir Douglas Haig. Recognised for _his_ abilities, Buchan was appointed as the Director of Information in 1917, under Lord Beaverbrook--which Buchan said was ``the toughest job I ever took on''--and also assisted Charles Masterman in publishing a monthly magazine detailing the history of the war, the first edition appearing in February 1915 (and later published in 24 volumes as Nelson's History of the War). <sep>, Pronoun: his <sep>, A: Buchan <sep>, B: Lord Beaverbrook

SOLUTION: A

PROBLEM: Descriptions of T. redivivum in John Cassin's 1856 book Illustrations of the Birds of California, Texas, Oregon, British, and Russian America led later ornithologists to conclude that at least three of the birds described were actually the crissal thrasher. When an army surgeon working in New Mexico sent Cassin specimens of a bird that _he_believed to be the California thrasher, Cassin sent the specimens to Spencer Baird at the Smithsonian Institution. <sep>, Pronoun: he <sep>, A: Cassin <sep>, B: Spencer Baird

SOLUTION:
Neither