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].
--------
Question: Sebastian Vettel laughed off Nico Rosberg’s claim that he hopes Ferrari can catch Mercedes during a spiky press conference after Sunday's Australian Grand Prix. Lewis Hamilton, who romped to victory at the season-opening race in Melbourne, and team-mate Rosberg, finished more than half-a-minute clear of Vettel to seal an utterly dominant weekend for the world champions. After the race, Rosberg said he hoped Ferrari would be able to bring the challenge to Mercedes, with he and Hamilton expected to dominate this term having won 16 of the 19 races in 2014. Lewis Hamilton was caught in the middle as Nico Rosberg (left) and Sebastian Vettel traded jibesSebastian Vettel issued spiky response when Nico Rosberg claimed he hoped Ferrari would be able to catch frontrunners MercedesVettel quizzed: 'You hope you slow down? Is that what you are saying?'The spat rumbled on throughout the post-race press conferenceRosberg and Vettel finished behind race winner Lewis Hamilton 
 Question:_ responded: ‘I hope that you can give us a challenge.

Answer: Nico Rosberg


Question: Seoul, South Korea (CNN) -- North Korea on Monday fired more projectiles into the sea off its east coast, South Korean officials said, urging Pyongyang to refrain from "tension-creating acts." But Pyongyang described the launches as a "regular military exercise." The South Korean Defense Ministry still needs to analyze exactly what the North has been firing for the past three days, said Choi Yong-su, an official in the ministry representative's office. They could be short-range missiles or a new kind of large-caliber artillery rocket, the ministry said. The North fired three projectiles into waters off its east coast Saturday and a fourth Sunday. It fired two more Monday, Choi said.North Korea says the launches are a "regular military exercise"North Korea has fired six projectiles into the sea over the past three days, Seoul saysThe South says they could be short-range missiles or large-scale artilleryThe North last week criticized the presence of a U.S. aircraft carrier in the region 
 Question:Before last week, tensions in the region had eased from a period in March and April that included near daily _ threats of war against South Korea and the United States.

Answer: North Korea


Question: A 23-year-old man from Michigan is running 3,200 miles across the US, inspired by Forrest Gump. While he may not be running for 'three years, two months, 14 days and 16 hours' like Forrest - played by Tom Hanks in the 1994 Academy Award-winning movie by the same name - Barclay Oudersluys will be on the road for 100 days, covering between 31 and 32 miles at a time. By Friday, the athlete had completed 2,000 miles and was 63 days into his epic journey. 'I've been through thunderstorms, snow a couple times, really windy days out in Kansas, heat waves; it's a real mix,' he told ABC News.Barclay Oudersluys, 23, is running 3,200 miles across the US for charityInspired by movie character Forrest Gump and hopes to finish in 100 daysBy Friday, he had completed 2,000 miles and was 63 days into his journey 
 Question:No strangers have joined Mr _ on his run, but he would like people to meet him at the finish line.

Answer:
Barclay Oudersluys