TASK DEFINITION: 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].
PROBLEM: (CNN) -- The Circuit of the Americas in Austin, Texas lies just 200 miles from the Mexican border. On Sunday it will host the first U.S. Grand Prix since 2007 -- and thousands of Formula One fans are expected to cross the Rio Grande to cheer on a driver they know as "Checo." Sergio Perez has become one of the darlings of Mexico, a country that in recent times has become more synonymous for the drugs war waged by Felipe Calderon during his tenure as president. The sporting focus this weekend will be on America, but the problems of its neighbor will come into sharp focus in the Mexican town of Nuevo Laredo -- the closest crossing point for those hoping to see Perez at what is, in effect, his home race.Formula One driver Sergio Perez looking forward to his "home" race in Texas on SundayThe Mexican is expected to have thousands of fans crossing the border to support himHe has been one of F1's surprise success stories in only his second season on the gridPerez has earned a big-money move to McLaren after three podium placings in 2012 
 Question:It's the best country in the world and I'm so proud to be _," adds Perez, as his bright smile breaks out for the first time in conversation.

SOLUTION: Mexican

PROBLEM: (CNN) Hillary Clinton saw Bernie Sanders' New Hampshire blowout and raised him one in South Carolina. Riding the strength of her support among African-Americans to a resounding victory in the Palmetto State, Clinton seized the momentum in the Democratic presidential race -- winning her third of four early-state contests just three days before the race goes national on Super Tuesday. Here are five takeaways from South Carolina's Democratic primary: Clinton's going national It was a bumpy ride through the early states -- but Clinton's firewall of minority support held, helping her seal a close contest in Nevada and then turn South Carolina into her first dominant win of the 2016 race. Headed into Super Tuesday, the confidence Clinton's campaign had after October and November is back.Clinton's firewall not only held, but her blowout win gives her new momentum into Super Tuesday84% of African-American voters went for Clinton 
 Question:While _ won white men 56% to 44%, Clinton won white women 60% to 40%.

SOLUTION: Bernie Sanders

PROBLEM: Gabby Giffords and her astronaut husband were seen jetting out of Los Angeles on Thursday ahead of the Easter weekend after taking a trip to visit his former space shuttle . The inspirational Ms Giffords, 44, walked through the airport in California using a cane, hard-won steps that show her continued progress four years after she survived an attempted assassination in Tucson, Arizona. The former U.S. representative, who is now an advocate for gun control, was accompanied by her husband, retired astronaut Mark Kelly, on the trip, and a young woman who carried several bags. Gabrielle Giffords walked through the LA airport using a cane on Thursday alongside a young woman, showing her continued remarkable progress four years after she survived an attempted assassinationThe inspirational Ms Giffords, 44, flew out of Los Angeles on Thursday with her husband, retired astronaut Mark KellyThe couple visiting the Space Shuttle Endeavour at the California Science Center in LA this weekGiffords wrote: 'So fun to see the awesome Space Shuttle Endeavour with the awesome guy who flew it, Captain Mark Kelly!'Mark's identical twin brother, astronaut Scott Kelly, blasted off aboard on his yearlong mission to the International Space Station last week 
 Question:Gabrielle Giffords walks with the help of a cane through an airport in _.

SOLUTION:
Los Angeles