Question: What University is a private research university located in Los Angeles, California, University of Southern California or University of Missouri System?
Context: Missouri University of Science and Technology, commonly Missouri S&T and formerly known as the University of Missouri–Rolla and originally Missouri School of Mines and Metallurgy, is a public space grant university located in Rolla, Missouri, United States and a member institution of the University of Missouri System.  Most of its 8,838 students (Fall 2016) study engineering, business, sciences, and mathematics.  Known primarily for its engineering school, Missouri S&T offers degree programs in business and management systems, information science and technology, sciences, social sciences, humanities, and arts. Norman Pearson is an American orchestral tuba player who is most known as the tubist with the Los Angeles Philharmonic Orchestra since 1993.  Prior to his appointment with the Los Angeles Philharmonic Norman Pearson was a freelance musician in the Los Angeles area and performed regularly with the Pacific Symphony, Joffrey Ballet, Los Angeles Music Center Opera and the Los Angeles Chamber Orchestra.  He attended the University of Southern California, studying under Tommy Johnson, where he received a bachelor's degree in music.  He also has recorded for most of the major Hollywood motion picture and television studios.  He currently teaches at the Colburn School and the University of Southern California. Paul Pescador (born in 1983) is a contemporary artist who works in film, photography, and performance.  Pescador was born in Indio, CA, he now lives and works in Los Angeles, CA.  Pescador received his B.A. in 2005 from the University of Southern California and his M.F.A. in 2012 from the University of California Irvine.  He is best known for his playful photographic use of color and composition, and for his short film narratives that follow both personal experience and fiction.  Pescador has shown widely in Los Angeles and California, including exhibitions at the University of California Los Angeles, the REDCAT theater at California Institute for the Arts, and University of California Berkeley.  His films have screened at Machine Project, Human Resources, Echo Park Film Center in Los Angeles, and Durham Studio Theater at UC Berkeley.  Pescador also works in curation and has organized shows at the Hammer Museum and The Pit in Los Angeles.  In 2015 he was the grant recipient of the California Community Foundation's Emerging Category. The University of Missouri Police Department (MUPD) is the law enforcement agency of the University of Missouri, a public research university located in Columbia, Missouri and the flagship campus of the University of Missouri System. The University of Missouri System is a state university system providing centralized administration for four universities, a health care system, an extension program, and ten research and technology parks.  Nearly 70,000 students are currently enrolled at its four campuses.  The health care system operates several hospitals and clinics in central Missouri, while the extension program provides distance learning and other educational initiatives statewide. The University of Missouri (also, Mizzou, or MU) is a public land-grant research university located in Columbia, Missouri, U.S.  It was founded in 1839 as the first public institution of higher education west of the Mississippi River.  As the largest university in the state, it enrolled 32,266 students in 2016, offering over 300 degree programs in 20 academic colleges.  It is the flagship campus of the University of Missouri System, which also maintains campuses in Kansas City, Rolla, and St. Louis. The University of Southern California (USC or SC) is a private research university located in Los Angeles, California.  Founded in 1880, it is the oldest private research university in California.  USC has historically educated a large number of the region's business leaders and professionals.  In recent decades, the university has also leveraged its location in Los Angeles to establish relationships with research and cultural institutions throughout Asia and the Pacific Rim.  An engine for economic activity, USC contributes $8 billion annually to the economy of the Los Angeles metropolitan area and California. The University of Missouri High School (MU High School) is a distance learning K-12 high school administered by the University of Missouri, a public state university located in Columbia, Missouri and the flagship of the University of Missouri System.  The program was founded in 1999 as part of the university's Center for Distance and Independent Study (CDIS).  Its mission is to provide learning opportunities in addition to traditional high schools.  The school offers more than 150 courses by certified Missouri teachers, from the elementary through high school levels.  Each year thousands of students enroll in the high school to succeed in their home high schools and other settings. The University of Missouri–St. Louis (UMSL) is public research university located in St. Louis, Missouri, United States.  Established in 1963, it is one of four universities in the University of Missouri System and its newest.  UMSL's campus is located on the former grounds of the Bellerive Country Club in St. Louis County, in the U.S. state of Missouri, stretching into the municipalities of Bellerive, Bel-Nor and Normandy.  Additional facilities are located at the former site of Marillac College and at Grand Center, both in St. Louis city. The University of Missouri Health System is an academic health system located in Columbia, Missouri.  It is owned by the University of Missouri System.  University of Missouri Health System includes five hospitals: University Hospital, Ellis Fischel Cancer Center, Missouri Orthopaedic Institute and University of Missouri Women's and Children's Hospital — all of which are located in Columbia.  It runs Capital Region Medical Center in Jefferson City, Missouri as well.  It also includes more than 60 primary and specialty-care clinics (including the Mizzou Quick Care Clinics) and the University Physicians medical group.
Answer: The University of Southern California