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. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

Input: Consider Input: 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 
 Question:"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."

Output: Jeff Flake


Input: Consider Input: A Las Vegas Girl Scouts hiking event was cancelled after a venue overbooked it with a Hillary Clinton campaign rally. Troop 21 raised money and bought tickets in September for the Brownie Hiker Badge class put on by Springs Preserve on Wednesday, however when they showed up they were informed the event was cancelled, Fox 5 reported. The Brownies' troop leader, Cheryl King, said they were told at the door that Springs Preserve representatives had called the Girl Scouts of Southern Nevada last week to cancel the class. 'As I was approaching the building we saw two of the other troops leaving, kind of saddened in the face,' King said.Troop 21 bought tickets in September for the Brownie Hiker Badge class put on by Springs Preserve on WednesdayHowever, when they showed up for the event they were told that it was cancelledThe brownies' troop leader was told at the door that Girl Scouts of Southern Nevada called Springs Reserve last week to cancel the classSprings Preserve said Girl Scouts of Southern Nevada called to cancel due to parents being concerned with traffic issues related to other major eventTroop claim they asked for a refund and Springs Preserve refused but venue said it offered troop leaders a refund 
 Question:'_ will offer those who purchased tickets for the class a full refund.'

Output: Springs Preserve


Input: Consider Input: (CNN) In 2009, Chris Brown was arrested for viciously beating his then-girlfriend, fellow singer Rihanna. Afterwards, Rihanna famously told Oprah Winfrey that she forgave Brown, and insisted he "made that mistake because he needed help." But Brown continued to find trouble. There were public brawls with other celebs and a 2013 arrest for punching a man in the face on a Washington, D.C. street. On Tuesday, the singer was back in the news, this time accused of threatening a woman with a gun at his Tarzana mansion. Police swarmed his home for an hours long standoff which ended with Brown's arrest on suspicion of assault with a deadly weapon.Brown has had a troubled history 
 Question:His fame grew even more once he and _ began dating in 2008.


Output: Rihanna