Question: Washington University in St. Louis and University of Colorado, are located in which country?

full_context: Document 1: Arizona State University: Arizona State University (commonly referred to as ASU or Arizona State) is a public metropolitan research university on five campuses across the Phoenix metropolitan area, and four regional learning centers throughout Arizona. The 2018 university ratings by "U.S. News & World Report" rank ASU No. 1 among the Most Innovative Schools in America for the third year in a row and has ranked ASU No. 115 in National Universities with overall score of 47/100 with 83% of student applications accepted.
Document 2: University of Colorado: The University of Colorado system is a system of public universities in Colorado consisting of four campuses: University of Colorado Boulder, University of Colorado Colorado Springs, University of Colorado Denver in downtown Denver and at the Anschutz Medical Campus in Aurora. It is governed by the elected, nine-member Board of Regents of the University of Colorado.
Document 3: George Washington University: The George Washington University (GW, GWU, or George Washington) is a private research university in Washington, D.C., the capital of the United States. Founded in 1821 as Columbian College, the university has since grown to comprise fourteen undergraduate and graduate colleges and schools, including the School of Media and Public Affairs, Elliott School of International Affairs, Law School, and School of Public Health. George Washington's main campus is located in the Foggy Bottom neighborhood with two satellite campuses located in the Foxhall neighborhood of Washington, D.C. and in Ashburn, Virginia. It is the second oldest and the largest institution of higher education in the District of Columbia.
Document 4: Boulder, Colorado: Boulder ( ) is the home rule municipality that is the county seat and the most populous municipality of Boulder County, and the 11th most populous municipality in the U.S. state of Colorado. Boulder is located at the base of the foothills of the Rocky Mountains at an elevation of 5430 ft above sea level. The city is 25 mi northwest of Denver.
Document 5: Washington University School of Medicine: Washington University School of Medicine (WUSM), located in St. Louis, Missouri, is the medical school of Washington University in St. Louis on the eastern border of Forest Park in St. Louis. Founded in 1891, the School of Medicine has 1,260 students, 604 of which are pursuing a medical degree with or without a combined Doctor of Philosophy or other advanced degree. It also offers doctorate degrees in biomedical research through the Division of Biology and Biological Sciences. The School has developed large physical therapy (273 students) and occupational therapy (233 students) programs, as well as the Program in Audiology and Communication Sciences (100 students) which includes a Doctor of Audiology (Au.D.) degree and a Master of Science in Deaf Education (M.S.D.E.) degree. There are 1,772 faculty, 1,022 residents, and 765 fellows.
Document 6: Saint Louis University: Saint Louis University (SLU, ) is a private Roman Catholic four-year research university with campuses in St. Louis, Missouri, United States and Madrid, Spain. Founded in 1818 by the Most Reverend Louis Guillaume Valentin Dubourg, It is the oldest university west of the Mississippi River and the second-oldest Jesuit university in the United States. It is one of 28 member institutions of the Association of Jesuit Colleges and Universities. The university is accredited by the North Central Association of Colleges and Secondary Schools. SLU's athletic teams compete in NCAA's Division I and are a member of the Atlantic 10 Conference. It has an enrollment of 13,505 students, including 8,687 undergraduate students and 4,818 graduate students that represents all 50 states and more than 70 foreign countries. Its average class size is 23.8 and the student-faculty ratio is 12:1.
Document 7: University of Nebraska system: The University of Nebraska system is the public university system in the state of Nebraska, United States. Founded in 1869 with one campus in Lincoln, the system now has four university campuses and operates a two-year technical agriculture college.
Document 8: Colorado State University: Colorado State University (also referred to as Colorado State, State, and CSU) is a public research university located in Fort Collins, in the U.S. state of Colorado. The university is the state's land grant university, and the flagship university of the Colorado State University System.
Document 9: California State University: The California State University (Cal State or CSU) is a public university system in California. With 23 campuses and eight off-campus centers enrolling 478,638 students with 24,405 faculty and 23,012 staff, CSU describes itself the largest four-year public university system in the United States. It is one of three public higher education systems in the state, with the other two being the University of California system and the California Community Colleges System. The CSU System is incorporated as The Trustees of the California State University. The California State University system headquarters are at 401 Golden Shore in Long Beach, California.
Document 10: List of Georgetown University alumni: Georgetown University is a private research university located in Washington, D.C. Founded in 1789, Georgetown University is the oldest Catholic and Jesuit institution of higher education in the United States. The school graduates about two thousand undergraduate and postgraduate students annually. There are nine constitutive schools, five of which offer undergraduate degrees and six of which offer graduate degrees, as two schools offer both undergraduate and graduate degrees.
Document 11: Regis University: Regis University, formerly known as Regis College, is a private, co-educational Roman Catholic, Jesuit university in Denver, Colorado. Regis College was founded by the Society of Jesus in 1877. It is one of 28 member institutions of the Association of Jesuit Colleges and Universities. Regis is divided into five colleges: Regis College, The Rueckert-Hartman College for Health Professions, the College of Contemporary Liberal Studies, the College of Computer and Information Sciences and the College of Business and Economics. The university is accredited by the North Central Association of Colleges and Secondary Schools. In 2013, the Regis University web site stated that it had obtained a top tier ranking as one of the best colleges and universities in the United States in the western region for 22 consecutive years by U.S. News & World Report.
Document 12: University of Washington: The University of Washington (commonly referred to as UW, simply Washington, or informally "U-Dub") is a large, public flagship research university in Seattle, Washington, established in 1861.
Document 13: University system: A university system is a set of multiple, affiliated universities and colleges that are usually geographically distributed. Typically, all member universities in a university system share a common component among all of their various names. Usually, all member universities of a university system are governed by a system-wide governing body, such as a board of trustees or a board of regents. In fact, university systems are so common in post-World War II United States that most states have one or two state university systems under which many of their publicly funded universities are aligned, both in name and in governance. Additionally, for-profit universities, such as DeVry University, often have multiple campuses which share the same name; these may be, but are not always, described as a university system (not necessarily accurately, see below).
Document 14: Washington University in St. Louis: Washington University in St. Louis (also referred to as WashU, or WUSTL) is a private research university located in the St. Louis metropolitan area and in Missouri, United States. Founded in 1853, and named after George Washington, the university has students and faculty from all 50 U.S. states and more than 120 countries. Twenty-five Nobel laureates have been affiliated with Washington University, nine having done the major part of their pioneering research at the university. Washington University's undergraduate program is ranked 18th by "U.S. News & World Report" in 2018 and 11th by the Wall Street Journal in their 2018 rankings. The university is ranked 20th in the world in 2017 by the Academic Ranking of World Universities.
Document 15: University of Denver: The University of Denver (DU) is a coeducational, four-year university in Denver, Colorado. Founded in 1864, it is the oldest independent private university in the Rocky Mountain Region of the United States. DU enrolls approximately 5,600 undergraduate students and 6,100 graduate students. The 125 acre main campus is a designated arboretum and is located primarily in the University Neighborhood, about five miles (8 km) south of downtown Denver.
ground_truth: United States