Q: 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) California Democratic Rep. Adam Schiff said both he and the Republican leading the House intelligence committee's Russia investigation want to meet with the former British intelligence officer who authored a controversial dossier containing explosive allegations about President Donald Trump and top members of his campaign. Schiff's comments to CNN's "State of the Union" on Sunday came after news broke that a pair of Republican staff members on the committee traveled to London to try to get an interview with the dossier author, Christopher Steele. In the interview, Schiff said he had not known about the trip and suspected Texas Rep. Mike Conaway, the Republican leading the investigation, had not either.GOP staffers traveled to London, sources told CNNSchiff said he and Conaway would be willing to go to London if Steele did not want to come before the panel in Washington 
 Questions:A congressional source familiar with the GOP aides' trip has told CNN that _ investigators are expected to send a letter to Steele, inviting him to testify before the intelligence committee, but that would first need to be approved by the leaders of the panel's investigation. (A) Washington (B) CNN (C) California (D) Democratic (E) Adam Schiff (F) Republican (G) House (H) Russia (I) British (J) Donald Trump (K) Schiff (L) State of the Union (M) London (N) Christopher Steele (O) Texas (P) Mike Conaway (Q) GOP (R) Conaway (S) Steele
A:
(G)