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: Consider Input: In early May 1990 one of the two A&M researchers, Kevin Wolf, acknowledged the possibility of spiking, but said that the most likely explanation was tritium contamination in the palladium electrodes or simply contamination due to sloppy work. In June 1990 an article in Science by science writer Gary Taubes destroyed the public credibility of the A&M tritium results when it accused its group leader John Bockris and one of _his_ graduate students of spiking the cells with tritium. <sep>, Pronoun: his

Output: John Bockris


Input: Consider Input: ``Another Nail in My Heart'' is two minutes and fifty-five seconds long. It was written by Squeeze members Chris Difford and Glenn Tilbrook, and it was produced by John Wood and Squeeze. Allmusic's Stephen Thomas Erlewine called it a ``nervy breakup tune.'' In _his_ review of the song, Stewart Mason wrote, ``The topic, as usual, is a cocktail of lost love and heavy drinking, culminating in the memorable chorus 'And here in the bar, the piano man's found another nail for my heart.''' <sep>, Pronoun: his

Output: Stewart Mason


Input: Consider Input: Later, Benji puts his father in a brick prison, and tries once again to win her affection. She refuses once again and is able to escape. She hides in a market tent, but is unwittingly sold to a tribe of pygmies in the Congo. At the same time George confronts Benji. _His_ father breaks out of the prison and they all learn about Pauline's whereabouts. <sep>, Pronoun: His


Output: George