Problem: Please answer a question about the following article about Elevator:
In 1852, Elisha Otis introduced the safety elevator, which prevented the fall of the cab if the cable broke. The design of the Otis safety elevator is somewhat similar to one type still used today. A governor device engages knurled roller(s), locking the elevator to its guides should the elevator descend at excessive speed. He demonstrated it at the New York exposition in the Crystal Palace in a dramatic, death-defying presentation in 1854, and the first such passenger elevator was installed at 488 Broadway in New York City on March 23, 1857.
Who created the safety elevator in 1852?
A: Elisha Otis
Problem: Please answer a question about the following article about Houston:
Minute Maid Park (home of the Astros) and Toyota Center (home of the Rockets), are located in downtown Houston. Houston has the NFL's first retractable-roof stadium with natural grass, NRG Stadium (home of the Texans). Minute Maid Park is also a retractable-roof stadium. Toyota Center also has the largest screen for an indoor arena in the United States built to coincide with the arena's hosting of the 2013 NBA All-Star Game. BBVA Compass Stadium is a soccer-specific stadium for the Dynamo, the Texas Southern University football team, and Dash, located in East Downtown. In addition, NRG Astrodome was the first indoor stadium in the world, built in 1965. Other sports facilities include Hofheinz Pavilion (Houston Cougars basketball), Rice Stadium (Rice Owls football), and Reliant Arena. TDECU Stadium is where the University of Houston Houston Cougars football team plays. Houston has hosted several major sports events: the 1968, 1986 and 2004 Major League Baseball All-Star Games; the 1989, 2006 and 2013 NBA All-Star Games; Super Bowl VIII and Super Bowl XXXVIII, as well as hosting the 2005 World Series and 1981, 1986, 1994 and 1995 NBA Finals, winning the latter two. Super Bowl LI is currently slated to be hosted in NRG Stadium in 2017.
What was the first indoor stadium in the world?
A: NRG Astrodome
Problem: Please answer a question about the following article about Arnold Schwarzenegger:
Schwarzenegger was born in Thal, a village bordering the city of Graz in Styria, Austria and christened Arnold Alois. His parents were Gustav Schwarzenegger (August 17, 1907 December 13, 1972), and Aurelia Schwarzenegger (nee Jadrny; July 29, 1922 August 2, 1998). Gustav was the local chief of police, and had served in World War II as a Hauptfeldwebel after voluntarily joining the Nazi Party in 1938, though he was discharged in 1943 following a bout of malaria. He married Arnold's mother on October 20, 1945; he was 38, and she was 23 years old. According to Schwarzenegger, both of his parents were very strict: "Back then in Austria it was a very different world, if we did something bad or we disobeyed our parents, the rod was not spared." He grew up in a Roman Catholic family who attended Mass every Sunday.
What country was Schwarzenegger born in?
A: Austria
Problem: Please answer a question about the following article about Federal Bureau of Investigation:
Despite its domestic focus, the FBI also maintains a significant international footprint, operating 60 Legal Attache (LEGAT) offices and 15 sub-offices in U.S. embassies and consulates across the globe. These overseas offices exist primarily for the purpose of coordination with foreign security services and do not usually conduct unilateral operations in the host countries. The FBI can and does at times carry out secret activities overseas, just as the CIA has a limited domestic function; these activities generally require coordination across government agencies.
What do oversea operations require?
A:
coordination