Question: Columbia University and Wake Forest University, are which type of mutual university?

<P0-S0> Groves Stadium, currently known as Trentini Stadium, is a stadium in Wake Forest, North Carolina, United States. <P0-S1>  It hosted the Wake Forest University Demon Deacons football team until the school moved to Winston-Salem, North Carolina and Bowman Gray Stadium. <P0-S2>  Since then, the stadium has hosted the homes games of Wake Forest High School. <P0-S3>  The stadium held 20,000 people at its peak and was opened in 1940. <P0-S4>  It is currently named after former Wake Forest University player and coach of Wake Forest-Rolesville High School, Tony Trentini. <P0-S5>  Wake Forest University's current home stadium was also known as Groves Stadium until 2006. <SEP> <P1-S0>  The university received its name from its original location in Wake Forest, north of Raleigh, North Carolina, the state capital. <P1-S1>  The Reynolda Campus, the university's main campus, has been located north of downtown Winston-Salem since the university moved there in 1956. <P1-S2>  The Wake Forest Baptist Medical Center campus has two locations, the older one located near the Ardmore neighborhood in central Winston-Salem, and the newer campus at Wake Forest Innovation Quarter downtown. <P1-S3>  The university also occupies lab space at Biotech Plaza at Innovation Quarter, and at the Center for Nanotechnology and Molecular Materials. <P1-S4>  The University's Graduate School of Management maintains a presence on the main campus in Winston-Salem and in Charlotte, North Carolina. <P1-S5> Wake Forest University is a private, independent, nonprofit, nonsectarian, coeducational research university in Winston-Salem, North Carolina, founded in 1834. <SEP> <P2-S0> Wake Forest Innovation Quarter in Winston-Salem, North Carolina, is an innovation district focused on research, business and education in biomedical science, information technology, digital media, clinical services and advanced materials. <P2-S1>  The Innovation Quarter, operated by Wake Forest Baptist Medical Center, is home to academic groups, private companies and other organizations located on 330 acres in downtown Winston-Salem. <P2-S2>  Its tenants include departments from five academic institutions—Wake Forest School of Medicine, Wake Forest University, Forsyth Technical Community College, Winston-Salem State University, UNC School of the Arts— as well as private businesses and other organizations. <P2-S3>  One tenant is the Wake Forest Institute for Regenerative Medicine (WFIRM), which is working to engineer more than 30 different replacement tissues and organs and to develop healing cell therapies. <P2-S4>  The science and research conducted at WFIRM is behind two start-up companies at Innovation Quarter. <P2-S5>  The ability of researchers and scientists to work alongside entrepreneurs furthers a goal of Innovation Quarter to develop new treatments and cures for disease and advances in technology. <SEP> <P3-S0> Columbia University (Columbia; officially Columbia University in the City of New York), established in 1754, is a private Ivy League research university in Upper Manhattan, New York City, often cited as one of the world's most prestigious universities.