Detailed 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.
Problem:(CNN) Donald Trump's campaign fired one of its senior advisers on Monday, multiples sources confirmed to CNN. Ed Brookover, who helped manage the campaign's delegate operations in the lead up to the Republican National Convention, was fired a little more than six weeks after he was promoted as the campaign's liaison to the Republican National Committee. The firing comes even as the campaign continues to hire more staff in an effort to build up its political operation less than 100 days before the general election. "The campaign has parted ways with Ed, but we are thankful to him for his many contributions and appreciate his continued support," the campaign said in a statement.One senior campaign source says Brookover and Manafort "never saw eye-to-eye" 
 Questions:One source said Brookover has not been involved in high-level meetings for weeks, and another said _ was axed from the campaign's list of surrogates about three weeks ago. (A) Donald Trump (B) CNN (C) Ed Brookover (D) Republican National Convention (E) Republican National Committee (F) Ed (G) Manafort
Solution:
(C)