Please answer the following question: Information: - The PlayStation Portable (PSP) is a handheld game console developed by Sony. Development of the console was announced during E3 2003, and it was unveiled on , 2004, at a Sony press conference before E32004. The system was released in Japan on , 2004, in North America on , 2005, and in the PAL region on , 2005. It primarily competed with the Nintendo DS, as part of the seventh generation of video games. - Relentless Software was a British video game company formed in 2003 that was based in Brighton. The company was best known for developing 12 games in the BAFTA award winning and multi-million selling "Buzz!" franchise from 2005 to 2010. Relentless released its first self-published title, "Blue Toad Murder Files" on PC and PSN in 2009 and "Quiz Climber Rivals", for iPhone in 2011. Relentless has also developed "Air Band" and "Mutation Station", for the "Kinect Fun Labs" series. In 2012 it released "Kinect Nat Geo TV", after which co-founder David Amor left the studio. In 2014 the studio released "Murder Files: The Enigma Express" on iOS, Google Play, Google Chrome and Kindle Fire. In 2016 the studio was shut down. The studio was working on an unannounced title for PlayStation 4 and Xbox One before closure. - The PlayStation 3 (abbreviated as PS3) is a home video game console developed by Sony Computer Entertainment. It is the successor to PlayStation 2, and is part of the PlayStation brand of consoles. It competed with Microsoft's Xbox 360 and Nintendo's Wii as part of the seventh generation of video game consoles. It was first released on November 11, 2006, in Japan, November 17, 2006 in North America, and March 27, 2007 in Europe and Australia. - The PlayStation 2 (abbreviated as PS2) is a home video game console that was developed by Sony Computer Entertainment. It is the successor to the PlayStation, and is the second installment in the PlayStation lineup of consoles. It was released on March 4, 2000 in Japan, October 26, 2000 in North America, November 24, 2000 in Europe, and November 17, 2000 in Australia. It competed with Sega's Dreamcast, Microsoft's Xbox, and Nintendo's GameCube in the sixth generation of video game consoles. - Buzz ! : Brain of ... is the eighth title in the Buzz ! series of quiz video games . The game has 21 regional variations with the game 's title being changed depending upon region , but the basic concept behind the game remains the same . The questions in Buzz ! : Brain of the UK are specifically about UK general knowledge . Wildlife , TV , Sport . The versions of the game for other countries follow the same pattern except for being slanted towards general knowledge with a connection to that specific country . The PlayStation 3 version of the game will feature online play and will also allow access to user created questions on the My Buzz ! site as well as leaderboards that rank online play . Brain of the UK will be available for the PlayStation 3 , PlayStation 2 and PlayStation Portable , the first time that a single title in the Buzz ! series has been available on multiple platforms . The PlayStation Portable version features a single player game and , like the previous Buzz ! PSP game Buzz ! : Master Quiz , Brain of the UK has a '' pass - around '' mode to enable up to 6 players to take part in the same quiz . The PlayStation 2 version of the game will follow the same format as previous Buzz ! games for the platform . Essentially being the same as the PlayStation 3 version but with lower resolution graphics and no online features . - Buzz! is a series of video games originated by Sleepydog Ltd., developed by Relentless Software and published by Sony Computer Entertainment Europe for the PlayStation 2, PlayStation 3 and PlayStation Portable consoles. They are quiz games that see the players answering trivia questions while competing in the fictional game show, "Buzz!". Created specifically with multi-player party gaming in mind, the series launched in October 2005 and to date comprises 18 games; including 13 in the "Buzz!" series and five "Buzz! Junior" titles. The series made the transition to the PlayStation 3 with "" in 2008. The sixteenth game in the series "Buzz!: Brain of the UK" was released in March 2009. The latest Buzz! game is "" which was released in October 2010. After reading the paragraphs above, we are interested in knowing the entity with which 'buzz!: brain of the world' exhibits the relationship of 'developer'. Find the answer from the choices below. Choices: - fun labs - nintendo - relentless software - sega - sony - sony computer entertainment
Answer:
relentless software