Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Washington (CNN) Republican Sen. Jeff Flake of Arizona, a frequent critic of President Donald Trump, will not run for re-election, he said Tuesday in a blistering speech on the Senate floor that bemoaned the "coarsening" tenor of politics in the United States. Flake denounced the "complicity" of his own party in what he called an "alarming and dangerous state of affairs" under Trump, blaming the President for setting the tone. In his speech, Flake assailed a "flagrant disregard for truth or decency" and attacked a "regular and casual undermining of our democratic norms." "When such behavior emanates from the top of our government, it is something else: It is dangerous to a democracy," Flake said.Sen. Jeff Flake, a Republican, has long feuded with President Donald TrumpFlake faced a GOP primary challenger next year and a tough re-election fight 
 Questions:"One of the greatest people I've served with," Corker said after the speech, describing _ and adding later, "He's what I would call a real conservative." (A) Washington (B) CNN (C) Republican (D) Jeff Flake (E) Arizona (F) Donald Trump (G) Senate (H) United States (I) Trump (J) GOP
Student:
(D)