Question: Martha Ellen Reeves got her masters at a university located in which US state ?

Context paragraphs:
ICESI University: Icesi University (Spanish: "Universidad Icesi" ) is a private university located in Cali, Colombia.  The campus is located in the area of Pance, south of the city.  Founded in 1979 by a group of businessmen in the region, the university offers undergraduate programs, specializations and master's degree studies.  There are 3,813 undergraduate, 407 masters and 345 specialization students.  The university offers knowledge in the areas of administration and economics, humanities, engineering, natural sciences and, recently, health; counting in this way with 19 programs, 6 of them with high quality accredited, 4 masters and 16 programs of specializations.  The number of teachers is 133 of which 20 have doctorates, 32 doctorates in course and 47 are masters.  The number of students per teacher is approximately 25, the same as the average number of students per group.

Martha Ellen Davis: Martha Ellen Davis is an emeritus professor from the University of Florida, anthropologist and ethnomusicologist known for her multifarious work on African diasporic religion and music.  Professor Davis' research has defied conventional tenets about Haitian and Dominican folk music, and her cultural preservation projects has raised awareness of the significance of the Samaná Americanos' enclave.

Martha Ellen Reeves: Martha Ellen Reeves is a professor in the Markets and Management Studies Program at Duke and adjunct faculty member in the Women's Studies Program at Duke University, USA.  Reeves studied at the University of Montana (B.A. 1973), Truman State University (M.A. 1976) in English literature and Keele University, (Ph.D. 1998), for industrial relations and human resources management.

Central Washington University: Central Washington University, or CWU, is a regional, comprehensive public university located on a 380-acre campus in Ellensburg in the US state of Washington.  Founded in 1891, the university consists of three chief divisions include the Office of the President, Business and Financial Affairs, and Academic and Student Life (ASL).  Within ASL are four colleges: the College of Arts and Humanities, the College of Business (Ellensburg campus and centers in the Puget Sound and central regions), the College of Education and Professional Studies, and College of the Sciences.

Marian University (Indiana): Marian University is a private, non-profit Roman Catholic university located on a 200-acre campus in Indianapolis, in the US state of Indiana.  As of 2017, Marian University serves 2,164 undergraduate students, and 1,018 graduate students with a student-faculty ratio of 13:1.  Founded in 1851 by the Sisters of St. Francis, the college was originally located in Oldenburg moving to Indianapolis in 1937.  Marian was referred to as Marian College from 1936 until 2009, when it was renamed Marian University.  Marian is religiously affiliated with the Roman Catholic Church.  Marian University is currently headed by President Daniel Elsener.

Martha Ellen Auditorium: The Martha Ellen Auditorium, now the State Theatre, was built 1916 in Central City, the county seat of Merrick County in the state of Nebraska in the midwestern United States.  It is listed in the National Register of Historic Places, as a well-preserved example of a Nebraska opera house.

Truman State University: Truman State University (TSU or Truman) is a public liberal arts and sciences university located in Kirksville, Missouri, United States.  It is a member of the Council of Public Liberal Arts Colleges.  It had 6,379 enrolled students in the fall of 2015, with 6,039 undergraduate and 340 postgraduate students, pursuing degrees in 48 undergraduate, and eight graduate programs.  The university is named after U.S. President Harry Truman, the only president born in Missouri.  Until 1996, the school was known as Northeast Missouri State University, but the Board of Trustees voted to change the school's name to better reflect its statewide mission.  In the 2016 U.S. News & World Report College Rankings, Truman placed eighth in the Midwest among regional universities.  Truman State is the only public institution in Missouri that is officially designated to pursue highly selective admissions standards.

Keller Ferry: Keller Ferry (occasionally called Clark Ferry), is a ferry crossing on Franklin D. Roosevelt Lake in the US state of Washington.  The crossing connects the northern and southern segments of State Route 21, between The Colville Indian Reservation in Ferry County and Clark in Lincoln County.  The ferry run has been in operation since the 1890s and under state control since 1930.  During that time, five vessels have served the crossing, including the Martha S., which operated from 1948 to 2013, and the current ferry, the M/V "Sanpoil".

University Press of Kansas: The University Press of Kansas is a publisher that represents the six state universities in the US state of Kansas — Emporia State University, Fort Hays State University, Kansas State University, Pittsburg State University, the University of Kansas, and Wichita State University.  The press was established in 1946, and presently operates as a consortium with representation from each of the participating universities.

Salem State University: Salem State University is a 4-year public University located in Salem, Massachusetts.  a northern suburb of Boston.  Salem State University, established in 1854 as Salem Normal School, is located approximately 15 miles north of Boston, Massachusetts.  Salem State enrolls almost 10,000 undergraduate and graduate students from 27 states and 57 foreign countries.  In 1932 the institution was renamed Salem Teachers College, and from 1968 to 2010 it was known as Salem State College.  s of 2013 , Salem State enrolled 7,664 undergraduate and 1,637 graduate, full- and part-time students.  The university offers Bachelor and Masters Degrees in the Arts and Sciences, Masters of Business Administration, and Post Masters Certificates in more than 40 academic disciplines.  In addition, the university also offers Continuing Education courses for credit and non-credit.

Supporting paragraphs: Martha Ellen Reeves Truman State University
Answer: Missouri