Question: What group founded in 1904 is Panda Oy a part of?

Context paragraphs:
DICRO Oy: Dicro Oy is a Finnish contract manufacturer of electronics, cable and electromechanical assemblies for various industrial, medical and telecommunication branch businesses.  The company headquarters is in the municipality of Vihti in the town of Nummela, Finland.  It was founded in 1987 and in 2001 opened a new manufacturing plant in Estonia.  On February 13, 2006 Dicro Oy bought out another Nummela based firm, RFI filter manufacturer named "GE Procond Oy", until then part of General Electric.  The new daughter company was renamed Procond Oy.

Copterline Oy: Copterline Oy was Finland's largest helicopter airline.  In 2004 the company ferried over 75,000 passengers.  On December 19, 2008, Copterline confirmed that it had ceased its scheduled service between Helsinki and Tallinn.  On 15 February 2010, Copterline filed for bankruptcy, citing inability to keep the company profitable.  Its head office was located on the grounds of Helsinki-Malmi Airport in Helsinki.  In 2011, Line Support Oy, founded by mostly the same group as Copterline Oy, announced a resumption of service from September, operated by its Estonian subsidiary Copterline OÜ.  On 9 September 2011, the first commercial flights were undertaken.

SF Film Finland: SF Film Finland Oy (formerly FS Film Oy) is a Finnish film distributor established in 2000.  It is part of Bonnier Group and a subsidiary of AB Svensk Filmindustri.  SF Film Finland is the leading film distributor in Finland with market shares of 30.67% in admissions and 31.04% in box office (2011).  The company distributes approximately 45 theatrical premieres and 400 new DVD releases annually.

Union of Liberation: The Union of Liberation (Russian: Союз Освобождения, English transliteration: Soyuz Osvobozhdeniya) was a liberal political group founded in St. Petersburg, Russia in January 1904 under the influence of Peter Struve, a former Marxist.  Its goal was originally the replacement of the absolutism of the Tsar with a constitutional monarchy.  Its other goals included an equal, secret and direct vote for all Russian citizens and the self-determination of different nationalities (such as the Poles) that lived in the Russian State.

Panda (Finnish company): Panda Oy is a Finnish confectionery company based in Vaajakoski, Jyväskylä.  The company was founded in 1920 by SOK (Suomen Osuuskauppojen Keskuskunta).  Panda is known for its liquorice and chocolate products.

Panda Restaurant Group: Panda Restaurant Group, Inc., parent company of Panda Inn, Panda Express & Hibachi-San, was founded by Andrew and Peggy Tsiang Cherng and Andrew's father, Master Chef Ming-Tsai Cherng, the family originating in the Yangzhou region of China's Jiangsu province.  They started their first Panda Inn restaurant in 1973 in Pasadena, California.  The group has its headquarters in Rosemead, California.

Strömberg (company): Stromberg Oy or Strömberg Ab, was a company founded by Gottfrid Strömberg in 1889 in Helsinki, Finland, and manufactured electromechanical products such as: generators, electric motors and small power plants.  The company was founded initially as "Gottfrid Strömbergin sähköyhtiö" in Finnish, "Gottfrid Strömbergs elföretag" in Swedish.  Strömberg was acquired by Swedish ASEA in 1987, and when Asea merged with AG Brown Boveri & Cie to form ABB in 1988 the company became part of the ABB corporation and hence known as ABB Strömberg.  In the later 1990s the company name was changed from ABB Strömberg Oy into ABB Oy and a more integral part of the ABB Group.

Panda Bear (album): Panda Bear is the self-titled debut solo album by the Baltimore musician Noah Lennox who later became a founding member of Animal Collective.  The album was the first use of the Panda Bear moniker which he later continued to use while performing with group.  It was released on June 1, 1999 shortly before his 21st birthday on the label Soccer Star Records.  The label was formed by himself and fellow future Animal Collective member and childhood friend Deakin (Joshua Dibb) and was initially founded only to release this album.  However the label eventually morphed into Animal and then the existing label Paw Tracks.  This album marks the very first Animal Collective related release, apart from the EP, "Paddington Band", which was a recording by the Animal Collective precursor, Automine which featured all other members of the future group except for Lennox himself.

STX Finland: STX Finland Oy, formerly Aker Yards Oy, was a Finnish shipbuilding company operating three shipyards in Finland, in Turku, Helsinki and Rauma, employing some 2,500 people.  It was part of STX Europe, a group of international shipbuilding companies owned by the South Korean STX Corporation.

S Group: The S Group (Finnish: "S-ryhmä" , Swedish: "S-gruppen" ) is a Finnish retailing cooperative organisation with its head office in Helsinki.  Founded in 1904, it consists of 22 regional cooperatives operating all around Finland in the markets for groceries, consumer durables, service station, hotel and restaurant services, agricultural supplies, and car sales.  The full formal name of the nationwide cooperative organisation is "Suomen Osuuskauppojen Keskuskunta" (The Central Finnish Cooperative Society) abbreviated as SOK.  It is engaged in close competition with Kesko, with which it shares an oligopolistic position in many of the markets it operates in.

Supporting paragraphs: Panda (Finnish company) S Group
Answer: The S Group