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].

Q: (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.

A: Mexican
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Q: Terrified: Miriam, 11 (left), and Ayesha, nine (right), are currently living in fear in their basement A terrified British family who are stuck in a basement in war-torn Yemen have launched a desperate appeal to be evacuated to the UK. Louise Henderson Alakil, 49, moved to the Middle Eastern country 27 years ago and worked as a teacher at the International School in the capital Sanaa until recent fighting forced it to close. She is now hiding in a shelter below her family home on the outskirts of the city with her youngest children, Miriam, 11, and Ayesha, nine, amid heavy shelling and while bombs fall all around them.Louise Henderson, 49, moved to Yemen 27 years ago to work as a teacherHer family are now caught up in fighting in the country's capital, SanaaShe is currently hiding below her home with her two young daughtersMiriam, 11, and Ayesha, nine, have pleaded for the bombing to stop and for their family to be evacuated to the UK 
 Question:The family are facing a number of problems in their fight to leave the country, as Louise and her children's passports have expired and the _ authorities are closed.

A: British
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Q: (CNN) -- With his health in question and speculation rampant about his future, Venezuelan President Hugo Chavez has named 10 Venezuelans to an influential commission. The Council of State, as it is known, is stipulated in the Venezuelan Constitution as the highest circle of advisers to the president, but has never actually been formed. Now in a battle with cancer, Chavez announced in January that it was time to constitute the council, and Wednesday named his appointments. Venezuelans and international observers alike are likely to scrutinize his choices for any signs of transition or succession should Chavez become incapacitated. Chavez's choices include a veteran of his administration, a military man and a writer, among others.Chavez named members for the Council of StateThe body will have influence over the governmentVice President Elias Jaua will preside, as the constitution says 
 Question:With so much uncertainty surrounding _'s health and the upcoming elections, the appointments answer part of the puzzle of who is close to Chavez, he said.

A:
Hugo Chavez
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