Question: Which of the following helped launch the travel search website Hipmunk: Sam K. Harrison or Alexis Ohanian?

full_context: Document 1: Sam's Army: Sam's Army, now defunct, was an unofficial supporters' group for the United States men's national soccer team. The name of the group derives from Uncle Sam, a national personification of the United States, and the Scottish supporters' group the Tartan Army. Sam's Army debuted at a 1995 U.S. Cup game following the 1994 FIFA World Cup. In 2010 there were more than 14,000 members of Sam's Army, and the organization reported having members around the world. Sam's Army was known for wearing all red and usually standing behind a goal during United States national team matches. George Vecsey of "The New York Times" described Sam's Army as, "a relative handful of goofy characters in red outfits... who follow the American team around the globe."
Document 2: Samuel T. Hubbard Jr.: Samuel Thomas Hubbard Jr. (1884–1962) was a cotton industry executive and military intelligence officer with the American Expeditionary Forces during World War I. Hubbard served as chief of the Enemy Order of Battle Section in the G2 Military Intelligence Division and then as a liaison to the Allied Forces' headquarters for General John Pershing. He also served as director of the military intelligence school in Langres, France at the end of the war. Recognizing these efforts, the U.S. Army awarded Hubbard their Distinguished Service Medal, and France awarded him their Officier d'Académie Medal. Returning to the U.S., Hubbard worked as an executive with Hubbard Brothers & Company (HBC), a cotton grower launched by his family members. Representing HBC, he served as vice president and then as president of the New York Cotton Exchange, the oldest commodity exchange in New York City.
Document 3: Craig Newmark: Craig Alexander Newmark (born December 6, 1952) is an American Internet entrepreneur best known for being the founder of the San Francisco-based international website Craigslist.
Document 4: George Juskalian: George Juskalian (Armenian: Գևորգ Ժուսգալեան ; June 7, 1914 – July 4, 2010) was a decorated member of the United States Army who served for over three decades and fought in World War II, the Korean War and the Vietnam War. Following graduation from Boston University, Juskalian entered the army as a second lieutenant in June 1936. During World War II, he served with the infantry during the North African Campaign and took part in Operation Torch. At the Battle of the Kasserine Pass, he was captured by German troops and became a prisoner of war (POW) for twenty-seven months. During the Korean War he commanded an infantry battalion. He was then stationed in Tehran where he acted an advisor to the Imperial Iranian Army throughout 1957 and 1958. During the Vietnam War, Juskalian once again undertook advisory duties, working with the South Vietnamese Army between 1963 and 1964, before serving as the MACV inspector general under General William Westmoreland.
Document 5: Peter Thiel: Peter Andreas Thiel ( ; born October 11, 1967) is an American entrepreneur, venture capitalist, philanthropist, political activist, and author. He was ranked No. 4 on the "Forbes" Midas List of 2014, with a net worth of $2.2 billion, and No. 246 on the "Forbes" 400 in 2016, with a net worth of $2.7 billion.
Document 6: Christopher Slowe: Christopher Brian Slowe (born November 8, 1978, Boston, MA) is an American businessman. He gained his PhD in Physics from Harvard, went on to co-found reddit, with Aaron Swartz, Alexis Ohanian and Steve Huffman. He later departed reddit and began work for Hipmunk, where he has been Chief Scientist since 2010.
Document 7: Sam K. Harrison: Sam K. Harrison or Sam Kazar Harootenian (December 12, 1908 – January 1, 1994) was a Corporal of the United States Army during World War II. He served nine months overseas and participated in the campaigns of Northern France, Ardennes, Rhineland and Central Europe.
Document 8: Alexis Ohanian: Alexis Kerry Ohanian, (born April 24, 1983) is an American Internet entrepreneur and investor, who is co-founder and executive chairman of the social news website Reddit. He also co-founded the early stage venture capital firm Initialized Capital, helped launch the travel search website Hipmunk, and started the social enterprise Breadpig. Ohanian is based in San Francisco, and was a partner at Y Combinator.
Document 9: Initialized Capital: Initialized Capital is a venture capital fund founded in 2011 and headquartered in San Francisco. It was founded by Alexis Ohanian and Garry Tan. As of 2016, it has raised $46.15M in funds.
Document 10: Alex Vieux: Alex Serge Vieux is the chairman and publisher of Red Herring and CEO of Herring International. Through Red Herring Top 100 and other events, Vieux analyzes the potential of approximately 2,000 startups each year. His contributions to the IT industry span more than 20 years and include co-founding of DASAR, a European incubator and conference company. Currently, Vieux serves on the boards of several international public and private companies, including BVRP, CommerceOne, Qualys see the list of Qualys board members here, Computer Associates see the list of Computer Associates board members here, CheckPoint Software, Daum Communications, Kyriba and Qualys.
Document 11: Susumu Ito: He was in auto mechanic school when he was drafted into the military in 1940, two years before the Japanese attack on Pearl Harbor. He worked as a mechanic, but was eventually assigned to the all Japanese-American 442nd Regimental Combat Team, which became the most decorated unit for its size and length of service in the U.S. Army during World War II. He was an artillery spotter (forward field observer) assigned to C Battery. He was promoted to the rank of second lieutenant on October 19, 1944. Ito participated in the famous rescue of the "Lost Battalion", the first battalion of the 141st U.S. Infantry Regiment of the 36th Texas Division. The action took place in the Vosges Mountains, in France, in October 1944. Both units were attached to the Seventh U.S. Army. The Lost Battalion had been cut off and surrounded by the Germans. Lt. Ito was attached to I Company of the 442, which effected the rescue of the Lost Battalion. Though the 442nd suffered extremely heavy casualties in the engagement, Ito emerged unscathed. He was attached to I Company, of which only eight members survived this action. Of the rescue, Ito later recalled, "Looking back, it wasn't an easy outing, but having come through it intact, it was an experience that cannot be forgotten or easily duplicated. At the time, I thought that this was more or less a typical battle encounter with a strong enemy and not a special or unique mission. I guess my analysis is not shared by history." The U.S. Army later declared the Rescue of the Lost Battalion to be one of the top ten battles of the U.S. Army in its history.
Document 12: Hipmunk: Hipmunk, stylized as hipmunk, is a consumer-oriented online travel company headquartered in San Francisco, California. It was co-founded by Adam Goldstein and Reddit co-founder Steve Huffman in 2010. The company focuses on the visual organization of flight search results. It received increased media attention when Google announced its flight search service in September 2011.
Document 13: George S. Patton: General George Smith Patton Jr. (November 11, 1885 – December 21, 1945) was a senior officer of the United States Army who commanded the U.S. Seventh Army in the Mediterranean and European theaters of World War II, but is best known for his leadership of the U.S. Third Army in France and Germany following the Allied invasion of Normandy in June 1944.
Document 14: Lorraine Campaign: Lorraine Campaign is a term used by U.S. Army historians to describe operations of the U.S. Third Army in Lorraine during World War II from September 1 through December 18, 1944. Official U.S. Army campaign names for this period and location are "Northern France" and "Rhineland". The term was popularized by the publication of a volume of the same name by the U.S. Army in 1950. As written by the volume's author:
Document 15: Charles H. Corlett: Major General Charles Harrison Corlett (July 31, 1889 – October 13, 1971), nicknamed “Cowboy Pete,” was a senior United States Army officer who commanded troops in both the Pacific and European Theaters during World War II. He led the attack on Kiska in 1943 and commanded the 7th Infantry Division in the taking of Kwajalein in 1944. After D-Day he led the XIX Corps in pursuit of the retreating German Army through France, Belgium, Holland, and Germany.
ground_truth: Alexis Kerry Ohanian