With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Chicago is a town.
text_B: Chicago -LRB- -LSB- ʃᵻˈkɑːɡoʊ -RSB- or -LSB- ʃᵻˈkɔːɡoʊ -RSB- -RRB- , officially the City of Chicago , is the third-most populous city in the United States .. City. City. third-most populous city. List of United States cities by population. United States. United States. With over 2.7 million residents , it is also the most populous city in both the state of Illinois and the Midwestern United States .. Illinois. Illinois. United States. United States. state. U.S. state. Midwestern United States. Midwestern United States. It is the county seat of Cook County .. Cook County. Cook County, Illinois. Cook. Cook County, Illinois. county seat. county seat. The Chicago metropolitan area , often referred to as Chicagoland , has nearly 10 million people and is the third-largest in the U.S. Chicago has been called a global architecture capital .. Chicago metropolitan area. Chicago metropolitan area. In terms of wealth and economy , Chicago is considered one of the most important business centers in the world .. Chicago was incorporated as a city in 1837 , near a portage between the Great Lakes and the Mississippi River watershed , and grew rapidly in the mid-nineteenth century .. portage. Chicago Portage. Great Lakes. Great Lakes. Mississippi River watershed. Mississippi watershed. Positioned along Lake Michigan , the city is an international hub for finance , commerce , industry , technology , telecommunications , and transportation  : O'Hare International Airport is the second-busiest airport in the world when measured by aircraft traffic ; the region also has the largest number of U.S. highways and rail road freight .. Lake Michigan. Lake Michigan. O'Hare International Airport. O'Hare International Airport. busiest airport in the world when measured by aircraft traffic. World's busiest airports by aircraft movements. In 2012 , Chicago was listed as an alpha global city by the Globalization and World Cities Research Network , and ranked seventh in the world in the 2016 Global Cities Index .. Globalization and World Cities Research Network. Globalization and World Cities Research Network. Global Cities Index. Global cities#Global Cities Index. Chicago has the third-largest gross metropolitan product in the United States -- about $ 640 billion according to 2015 estimates .. United States. United States. gross metropolitan product. gross metropolitan product. The city has one of the world 's largest and most diversified economies with no single industry employing more than 14 % of the workforce .. In 2016 , Chicago hosted over 54 million domestic and international visitors , a new record making it one of the top visited cities in the nation .. top visited cities in the nation. Tourist attractions in the United States. Landmarks in the city include Millennium Park , Navy Pier , the Magnificent Mile , Art Institute of Chicago , Museum Campus , the Willis -LRB- Sears -RRB- Tower , Museum of Science and Industry , and Lincoln Park Zoo .. Navy Pier. Navy Pier. Millennium Park. Millennium Park. Magnificent Mile. Magnificent Mile. Art Institute of Chicago. Art Institute of Chicago. Museum Campus. Museum Campus. Museum of Science and Industry. Museum of Science and Industry ( Chicago ). Lincoln Park Zoo. Lincoln Park Zoo. Chicago 's culture includes the visual arts , novels , film , theater , especially improvisational comedy , and music , particularly jazz , blues , soul , hip hop , gospel and house music .. improvisational comedy. improvisational comedy. jazz. Music of Chicago. blues. Chicago blues. soul. Chicago soul. hip hop. Chicago hip hop. gospel. Gospel music. house music. house music. There are many colleges and universities in the Chicago area ; among these , Northwestern University , University of Chicago , and the University of Illinois at Chicago are classified as `` highest research '' doctoral universities .. Illinois. Illinois. Northwestern University. Northwestern University. University of Chicago. University of Chicago. University of Illinois at Chicago. University of Illinois at Chicago. classified. Carnegie Classification of Institutions of Higher Education. Additionally , Chicago has professional sports teams in each of the major professional leagues .. major professional leagues. Major professional sports leagues in the United States and Canada. The city has many nicknames , the best-known being the Windy City .. City. City. Windy City. Origin of Chicago's Windy City nickname
related.