Given the question: Information: - A research university is a university that expects all its tenured and tenure-track faculty to continuously engage in research, as opposed to merely requiring it as a condition of an initial appointment or tenure. Such universities can be recognized by their strong focus on innovative research and the prestige of their brand names. On the one hand, research universities strive to recruit faculty who are the most brilliant minds in their disciplines in the world, and their students enjoy the opportunity to learn from such experts. On the other hand, new students are often disappointed to realize their undergraduate courses at research universities are overly academic and fail to provide vocational training with immediate "real world" applications; but many employers value degrees from research universities because they know that such coursework develops fundamental skills like critical thinking. - The Sarah P. Duke Gardens consist of approximately 55 acres ( 22 ha ) of landscaped and wooded areas at Duke University . There are 5 miles ( 8 km ) of allees , walks , and pathways throughout the gardens . The gardens are divided into four areas , the Historic Core and Terraces , the H.L Blomquist Garden of Native Plants , the William Louis Culberson Asiatic Arboretum and the Doris Duke Center Gardens ( including the Page - Rollins White Garden ) . The gardens are a memorial to Sarah Pearson Duke , mother of Mary Duke Biddle and wife of Benjamin N. Duke , one of Duke University 's benefactors . - Mary Lillian Duke Biddle (November 16, 1887 June 14, 1960) was an American philanthropist. - The Duke Endowment is a private foundation established in 1924 by industrialist and philanthropist James B. Duke. The mission of the foundation is to serve the people of North Carolina and South Carolina by supporting selected programs of higher education, health care, children's welfare, and spiritual life. - Durham is a city in the U.S. state of North Carolina. It is the county seat of Durham County, though portions also extend into Wake County in the east and Orange County in the west. - George Washington Duke (December 18, 1820 May 8, 1905) was an American tobacco industrialist and philanthropist who fought in the American Civil War. - James Buchanan Duke (December 23, 1856 October 10, 1925) was a U.S. tobacco and electric power industrialist best known for the introduction of modern cigarette manufacture and marketing, and his involvement with Duke University. - Duke University is a private research university located in Durham, North Carolina, United States. Founded by Methodists and Quakers in the present-day town of Trinity in 1838, the school moved to Durham in 1892. In 1924, tobacco and electric power industrialist James Buchanan Duke established The Duke Endowment, at which time the institution changed its name to honor his deceased father, Washington Duke. What object entity has the relation of 'located in the administrative territorial entity' with the subject 'sarah p. duke gardens'? Choices: - best - durham - mary - mission - most - north - north carolina - of - orange - south carolina - time - university - washington
The answer is:
north carolina