Given the task definition and input, reply with output. In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.

Washington (CNN) The law firm for the Hillary Clinton campaign and the Democratic National Committee has acknowledged its clients' role in paying for opposition research on Donald Trump that helped fund the now-infamous dossier of allegations about the now-President and Russia. A source familiar with the matter told CNN on Tuesday that the law firm Perkins Coie, as part of its representation of the Clinton campaign and the DNC, retained the intelligence firm Fusion GPS and entered "into an engagement for research services that began in April 2016 and concluded before the election in early November." A letter to Fusion GPS, which was written by Perkins Coie general counsel Matthew Gehringer, notes that it is revealing its role in hiring Fusion to aid the firm in its fight not to be forced to reveal its confidential list of clients.Trump continues to raise questions about the dossier's backersFusion GPS's bank records were subpoenaed 
 Questions:_ also claimed that Nunes should have notified it about the subpoena of its bank records. (A) Washington (B) CNN (C) Hillary Clinton (D) Democratic National Committee (E) Donald Trump (F) Russia (G) Perkins Coie (H) Clinton (I) DNC (J) Fusion GPS (K) Matthew Gehringer (L) Trump

(J)