Definition: In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.
Input: Question: Did Tan Dun write any music the year Liao made his debut at the Washington National Opera? Passage:In 2000 Liao made his debut at the Washington National Opera as the Count di Luna in Verdi's Il trovatore at the Kennedy Center with Placido Domingo conducting. In 2001 he portrayed Enzo in Attila with the Opera Orchestra of New York (OONY) at Carnegie Hall, and was heard again with that ensemble the following year as Captain Israele in Gaetano Donizetti's Marino Faliero. In 2002 he sang the role of Mephistopheles in Berlioz's La damnation de Faust with the China Philharmonic Orchestra. In 2003 he made his debut at the Dutch National Opera as the Japanese Prince in Tan Dun's . That same year he made his debut with the Michigan Opera Theater as the Count di Luna, and was also seen with that company as Renato in Un ballo in maschera. In 2004 he sang the role of Pasha Seid in Verdi's Il corsaro with the OONY under Eve Queler at Carnegie Hall.
Links: a. Tan Dun b. Il trovatore c. Il corsaro d. John F. Kennedy Center for the Performing Arts
Output:
a