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: In the text on Cryptovolans, Czerkas accused Dr. Mark Norell of misinterpreting the fossil BPM 1 3-13 as having long leg feathers due to the ``blinding influences of preconceived ideas.'' In fact, though, Norell's interpretation was correct, and Czerkas added leg feathers to _his_ own reconstruction of the fossil in the art that promotes the traveling exhibit. <sep>, Pronoun: his

Czerkas