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

Context paragraphs:
Peter Hobday (presenter): Peter James Hobday (born 16 February 1937) was a presenter on the early-morning BBC Radio 4 programme "Today".  He was the anchorman for the award-winning "The Money Programme" on BBC television.  He helped launch the late night current affairs programme "Newsnight" on BBC2, where he was both an anchorman and economic specialist.  He also helped launch "In Business" on Radio 4.

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.

True Link: True Link Financial, Inc. is a San Francisco, California based financial services firm that offers investment accounts and debit cards customized for seniors.  Notable investors include Y Combinator, Cambia, Mitch Kapor, Alexis Ohanian, Eric Ries, and Matt Cutts.

Fave Media: GetFave.com is a business search website for the United States, owned and operated by Fave Media Inc.  It was founded in Chicago, Illinois by Jon and Jeff Seymour in 2007 to provide a better way for consumers to search for local businesses and for local businesses to reach the right consumers.  Today, GetFave.com receives about 2,000,000 unique visitors monthly.  As of early 2009, Alexa  estimated that the site was growing at rate of 101%, making it the fastest-growing local business search website.

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.

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.

Whole Travel: Whole Travel is a travel search engine website based in United States.  Launched in 2008, it aggregates information from thousands of other travel sites and evaluates each destination's sustainability in order to help users find and book sustainable vacations.  Whole Travel combines search results from hotel websites, online travel agencies, local consolidators and other sources such as larger hotel chains.

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.

Mister Splashy Pants: Mister Splashy Pants, or Mr. Splashypants, is a humpback whale in the South Pacific Ocean.  It is being tracked with a satellite tag by Greenpeace as a part of its Great Whale Trail Expedition, which was working to raise awareness about whales threatened by the Japanese Fisheries Agency's plan to hunt 50 humpback whales.  The whale's name was chosen in an online poll that garnered attention from several websites, including Boing Boing and Reddit, quickly becoming an internet meme.  Mister Splashy Pants became the subject of a TED Talk by Reddit co-founder Alexis Ohanian, titled "How to make a splash in social media."

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.

Supporting paragraphs: Sam K. Harrison Alexis Ohanian
Answer: Alexis Kerry Ohanian