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.
Input: The release of The New Adventures of Superboy #1 (January 1980) coincided with Superboy's (temporary) departure from the Legion in The Legion of Super-Heroes #259, as well as the one-shot Superboy Spectacular #1. Much as Superboy's debut in Adventure Comics depicts Clark celebrating _his_ tenth birthday, New Adventures of Superboy #1 features Clark celebrating his sixteenth birthday and includes a flashback to Clark's first days as Superboy at the time of his eighth birthday. <sep>, Pronoun: his

Clark