Question: Which magazine has headquarters in Denver, Colorado: Sports Illustrated or Viltis?

full_context: Document 1: Sports Illustrated: Sports Illustrated is an American sports media franchise owned by Time Inc. Its self-titled magazine has over 3 million subscribers and is read by 23 million people each week, including over 18 million men. It was the first magazine with circulation over one million to win the National Magazine Award for General Excellence twice. Its swimsuit issue, which has been published since 1964, is now an annual publishing event that generates its own television shows, videos and calendars.
Document 2: Sports Illustrated Kids: Sports Illustrated Kids (SI Kids, trademarked Sports Illustrated KIDS, sometimes Sports Illustrated for Kids) is a monthly spin-off of the weekly U.S. sports magazine "Sports Illustrated". "SI Kids" was launched in January 1989 and includes sports coverage with less vocabulary and emphasis on humor. The magazine's secondary purpose is to market sports to children.
Document 3: Vice (magazine): Vice is a print magazine and website focused on arts, culture, and news topics. Founded in 1994 in Montreal, Quebec, Canada, the magazine later expanded into Vice Media, which consists of divisions including the magazine and website, a film production company, a record label, and a publishing imprint. As of February 2015, the magazine's Chief Creative Officer was Eddy Moretti, Andrew Creighton is President, the editor-in-chief is Ellis Jones and Alex Miller was the global head of content.
Document 4: Inside Sports: Inside Sports magazine was a major general interest sports magazine in the United States. Launched in 1979 by Newsweek, it was designed as an edgier, monthly alternative to the longer-running "Sports Illustrated" and "SPORT Magazine" brands. In addition to 12 issues a year, it featured a "Swimsuit Spectacular" ("IS"' answer to the famous Sports Illustrated Swimsuit Issue).
Document 5: Wanderlust (magazine): Wanderlust is a British travel magazine, covering adventurous, cultural and special interest travel. It is published ten times a year. It was established in Windsor, Berkshire in 1993 by Paul Morrison and Lyn Hughes, who had observed the absence of a publication combining their interests in wildlife, activities and cultural insights. Morrison died in December 2004 and Hughes took on the roles of publisher, managing director and editor-in-chief. In 2008, the Haymarket Media Group bought a stake in the business.
Document 6: Sports Illustrated Swimsuit Issue: The Sports Illustrated Swimsuit Issue is published annually by American "Sports Illustrated" magazine. The cover photograph features fashion models wearing swimwear in exotic locales. All models featured on the cover of the swimsuit issue in the magazine's history have been women. According to some, the magazine is the arbiter of supermodel succession. The swimsuit issue of the magazine carries advertising that, in 2005 amounted to in value. New issues come out around the middle of February or later. First published in 1964, it is credited with making the bikini, invented in 1946, a legitimate piece of apparel. The issue that got the most letters was the 1978 issue. The best selling issue was the 25th Anniversary Issue with Kathy Ireland on the cover in 1989.
Document 7: Sports Illustrated Television (Asia): Sports Illustrated is the first and leading 24-hour sports HD network in Asia. Launched in October 1, 2009 by Yes Television, the channel was relaunched in 2016 by the newly-formed joint-venture between ASN Ltd. and Time Inc. (owners of the Sports Illustrated magazine).
Document 8: Sports Illustrated for Women: Sports Illustrated Women (previously called Sports Illustrated for Women) and also known as SI Women, was a bimonthly sports magazine covering (according to its statement of purpose) "the sports that women play and what they want to follow, from basketball to tennis, soccer to volleyball, field hockey to ice hockey and figure skating and more. It featured real athletes, told their real stories and gave the real scoop on women's sports. "Sports Illustrated for Women" was published by Time Inc." It ran for 20 issues, between March 2000 and November 2002, targeting an audience of women, 18–34 years old, with "a passion for sports."
Document 9: Vyt Bakaitis: Vyt Bakaitis (born 1940) is an American translator, editor, and poet born in Lithuania and living in New York City. His first collection of poetry "City Country" (1991) was followed by "Deliberate Proof" (2010). Thirst, the magazine he co-edited with Benjamin Sloan, lasted only a few issues, but his translations of Lithuanian poetry are significant; particularly the 20th-century anthology "Breathing Free" (2001), which he also edited. Three additional volumes he translated from the Lithuanian are by contemporary poets Jonas Mekas and Julius Keleras. He was married to the late artist Sharon Gilbert.
Document 10: Velocity Magazine: Velocity Magazine is a monthly youth culture magazine published in the Omaha, Nebraska metropolitan area. Debuting in November 2005, it became the first publication specifically for and about “Gen-Y” in the eastern Nebraska and western Iowa region. Its monthly content ranges from Education, Sports, Media, Technology, Gaming, and Student Submissions. "Velocity"’s Editor-In-Chief, John Sullivan, also encourages students to submit articles for publication on a regular basis. In its second issue, "Velocity" published an exclusive interview with Robb Nansel, the President of Saddle Creek Records. Besides having normal distribution spots throughout the area, it is also available in 85 high schools within a 50-mile radius of Omaha.
Document 11: Golf Magazine: Golf Magazine is a monthly golf magazine owned by "Time Inc." It was started in April, 1959 by Universal Publishing and Distributing, who sold it to Times Mirror in 1972. Time Inc. acquired it in 2000. It was the world's most widely read golf publication from August 2006 to January 2007. The magazine is for golfers of all skill levels. Some features it includes are instruction from the top 100 teachers in America, interviews with famous golfers, tips on the best values for golf courses to go to on vacation, and an annual club test.
Document 12: Rock &amp; Folk: Rock & Folk is a prominent French popular music magazine founded in 1966, and published in the Paris suburb of Clichy. Its current editor in chief in Philippe Manœuvre. Though the magazine's title includes the word "folk," it is in fact oriented strongly toward rock and roll.
Document 13: The Attic (magazine): The Attic Magazine is an online music magazine. The magazine has branches in Bucharest, Romania, and Oslo, Norway, and additional mobile offices in various European countries. The magazine focuses on a wide variety of music genres, and also features editorial investigation concerning different world cultures. The magazine has also been involved in organizing significant musical events including the Outernational Days festival and other events in the capital. The magazine has been featured in several Romanian magazines including "Dilema veche" and "RomaniaLibera.ro"., British pop culture magazine, "The Quietus", and the British avant-garde music magazine, "The Wire.
Document 14: Viltis (magazine): Viltis is a magazine of folklore, folk music and folk dance. It was created by Vytautas Beliajus in the 1940s and was one of the first magazines devoted to folk customs and arts. It is illustrated and printed in English. The headquarters was in Denver, Colorado. Its scope is international, and a typical issues covers several different regions. Issues include recipes, dance descriptions, book reviews, research articles, performance reviews, travel tips, costuming advice, and other topics.
Document 15: Vatra (Slovak magazine): Vatra was a Slovak magazine. Published monthly after war by Slovak emigrants in Great Britain in years 1948–1952. Originally papers of Slovak Youth in Great Britain, Vatra brought to its readers as many news from the home country as could gather, and also some announcements of activities by various groups of our countrymen in England and elsewhere in exile. All 1948 - 1952 issues are held in British Library. Today's "Vatra" is published on Internet with articles mainly on Slovak history.
ground_truth: Viltis