TASK DEFINITION: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
PROBLEM: William, who became emperor after Frederick's death, shared none of his parent's liberal ideas; his mother viewed him as a ``complete Prussian''. This difference in ideology created a rift between William and his parents, and relations between them were strained throughout their lives. When _his_ father succeeded to the Prussian throne as King William I on 2 January 1861, Frederick became the Crown Prince. <sep>, Pronoun: his

SOLUTION: Frederick

PROBLEM: Ma Xiu (died 211) was the son of the warlord Ma Teng during the late Han Dynasty period of Chinese history. When his older brother Ma Chao rebelled against Cao Cao, Ma Xiu and _his_ father were executed. <sep>, Pronoun: his

SOLUTION: Ma Xiu

PROBLEM: Because of these racial injustices, African-Americans remained in the lowest ends of poverty, without legal support, throughout the years of the Great Depression. Peter H. Clark is generally recognised as the first African-American socialist. Some of his family were part of a ``phalanx'', a kind of commune founded by followers of Charles Fourier. _He_also met Thomas and Maria Varney, founders of The Herald of Truth, and Clark was employed to work as stereotypist on this paper and a sister journal, the Cincinnati Herald which was a voice for the local free soil movement. <sep>, Pronoun: He

SOLUTION:
Clark