Instructions: 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.
Input: (CNN) Sebastian Gorka, an outspoken and combative defender of President Donald Trump's national security agenda, has left his position as a White House counterterrorism adviser, two administration officials told CNN. The news, which came late Friday evening, was widely expected in the West Wing, which has now seen high-profile departures on successive Fridays for several weeks. Gorka was one of Trump's most prominent cheerleaders, frequently hitting the airwaves to defend the President's policies and public statements. But his role outside of television hits was unclear. He did not play a major policymaking role, according to administration officials, and was not a member of the National Security Council.Gorka worked as a counterterrorism adviser and as a member of the White House's Strategic Initiatives GroupThe former Breitbart national security editor had offered stinging critiques of his future boss's rhetoric on key foreign policy issues 
 Questions:But a separate _ official disputed that he resigned. (A) CNN (B) Sebastian Gorka (C) Donald Trump (D) White House (E) West Wing (F) Gorka (G) Trump (H) National Security Council (I) Strategic Initiatives Group (J) Breitbart
Output:
(D)