Question: Nickelodeon has which sister network, airing as a pan-European digital channel?

full_context: Document 1: Nickelodeon (Japan): Nickelodeon was a Japanese television channel which targeted children, teens and adults. Started on November 1998 as a cable and satellite television channel, Viacom attempted to bring their Nickelodeon brand to the Japanese market. However, due to declining viewership, the television channel was taken off the air on September 30, 2009. After the channel's closure, some programs were moved to other specialty channels (including MTV Japan), DTH satellite channels and terrestrial television networks. New programs made their national television premiere on other channels: For example, "The Penguins of Madagascar" made debut on NHK Educational Television on April 4, 2010. The official website is still online, with program information, website games and downloadable stuffs.
Document 2: Nickelodeon (Croatia): Nickelodeon Croatia is a Croatian cable and digital satellite television network dedicated to kids. The channel broadcasts 24 hours a day. All animated and live-action shows are dubbed into the Croatian Language. The channel is served by the Pan-European feed.
Document 3: Disney Junior (Latin America): Disney Junior Latin America is a cable television channel and is a version of The Walt Disney Company-owned Disney Junior, broadcasting in all Latin America. It is broadcast in three feeds: North Zone, South Zone and Brazil. It is marketed to preschoolers. Disney Junior is operated by Disney & ESPN Media Networks Latin America and The Walt Disney Company Latin America, both of The Walt Disney Company. It was launched on June 1, 2008 as Playhouse Disney Channel. Formerly it only was a programming block in the mornings of Disney Channel Latin America, where it still is a programming block, as Disney Junior en/no Disney Channel. The programs are very similar to the Disney Junior channel and Disney Junior on Disney Channel block in the United States. However, the channel also airs non-original programming.
Document 4: TeenNick: TeenNick is an American digital cable and satellite television channel that is owned by Nickelodeon Group, a unit of the Viacom Media Networks division of Viacom. Aimed primarily at teenagers aged 13-18, the channel features a mix of original programming, Nickelodeon-produced series, and acquired programs initially geared towards pre-teens and young teenagers.
Document 5: Nickelodeon (Europe): Nickelodeon the cable and digital satellite television network dedicated to kids. Nickelodeon is widely available throughout Europe as a subscription service or free-to-air service; depending on what region in Europe you are living in. Nickelodeon is seen in 24.2 million households throughout Europe, via channels and blocks.
Document 6: RTL Telekids: RTL Telekids is the name of a digital television channel for children. The channel is operated by RTL Nederland and can be received through cable. In addition, RTL Telekids is broadcasting as a youth block on television channel RTL 8 during daytime. Like the rest of the Dutch RTL family RTL Telekids is officially a Luxembourg channel that does not have to adhere to the Dutch media law. As Luxembourg has no real regulator, the channel is also not monitored.
Document 7: Nickelodeon Junior: Nickelodeon Junior is a French version of American channel Nick Jr. and is a separate 24-hour Pan European digital television channel broadcasting to the following French speaking European countries.
Document 8: Nickelodeon (France): Nickelodeon is the French version of the kids' channel Nickelodeon which is carried in that country, along with the French-speaking region of Switzerland, and Morocco. The network has one sister network, Nickelodeon Junior, it also airs in Morocco and Switzeland. Nickelodeon France was one of the first Nickelodeon Channel's to change its style and logo to the new Nickelodeon logo after Nickelodeon USA. Its sister channels are Nickelodeon Junior in France, the local division of the Nick Jr. concept which has "Junior" fully spelled out to meet language policies. Nickelodeon started in France in 2003 before the network's launch in 2005 with a Nicktoons block airing over Canal J.
Document 9: History of Nickelodeon: Nickelodeon is an American basic cable and satellite television network owned by the MTV Networks Kids & Family Group, a unit of the Viacom Media Networks division of Viacom, which focuses on programs aimed at children and teenagers; it has since expanded to include three spin-off digital cable and satellite networks in the United States, and international channels in six continents.
Document 10: Nickelodeon: Nickelodeon (often shortened to Nick) is an American basic cable and satellite television network launched on December 1, 1977, and is owned by Viacom through Viacom Media Networks and based in New York City. It is primarily aimed at children and adolescents aged 6–11 while its weekday morning edutainment programs are targeted at younger children ages 2–5.
Document 11: Nickelodeon (Central &amp; Eastern Europe): Nickelodeon premiered in November 1998 in Malta as a 12/7 feed. On Christmas Eve 1998, Nickelodeon came to Romania airing 24/7 in Romanian. On October 6, 1999, this version started to air in Hungarian also. Later, Nickelodeon debuted in the Czech Republic on February 10, 2010, in Croatia on November 18, 2011, in Ukraine on March 2012, in Slovenia and Serbia on April 28, 2013 and in Bulgaria on November 4, 2013.
Document 12: Nick Jr. (block): Nick Jr. is a programming block on the Nickelodeon television channel, seen on Nickelodeon weekday mornings. It is aimed at young children aged under 7 years. On February 2, 2009, the Nick Jr. block was temporarily renamed "Play Date" and on September 28, 2009, Noggin was rebranded as the Nick Jr. channel. In 2014, the Nick Jr. name began to be used for both the block and network. It is owned by MTV Networks, a division of Viacom International.
Document 13: Nickelodeon (Latin America): Nickelodeon Latin America is a cable and satellite television channel, counterpart of the American network Nickelodeon. It is oriented to the Spanish-speaking countries of Latin American and the Caribbean, mainly for children and teens. It is owned by MTV Networks Latin America. The channel was launched on December 20, 1996. It includes shows like Skimo and the hit teen drama Isa TKM and its successor Isa TK+.
Document 14: Nick Jr.: Nick Jr. is an American digital cable and satellite television channel that is run by the Nickelodeon Group, a unit of the Viacom Media Networks division of Viacom, the channel's ultimate owner headquartered in New York City. The channel, which is aimed at kids under six years, features a mix of originally-produced programming, and series previously and concurrently aired on the "Nick: The Smart Place to Play" block, and its previous iterations, Nick Jr. also features the shows for preschoolers like "Team Umizoomi," "PAW Patrol," "Bubble Guppies," "Blaze and the Monster Machines," "Shimmer and Shine," and "" on Nickelodeon. Due to the Nickelodeon block, Nick Jr. is sometimes disclaimed on air as "the Nick Jr. channel" to avert confusion, especially times of day where both Nickelodeon and Nick Jr. are both carrying preschool programming.
Document 15: Disney Junior (Asia): Disney Junior Southeast Asia (known as Disney Junior and formerly known as Playhouse Disney from 2004 to 2011) is a cable and satellite television channel that broadcasts in Southeast Asia, owned by the Disney Channels Worldwide unit of the United States-based Disney–ABC Television Group, managed by The Walt Disney Company Southeast Asia. Aimed mainly for children between 2 through 9 years of age, its programming consists of original first-run television series, theatrically-released and made-for-DVD movies and select other third-party programming. Disney Junior also lends its name to an early morning program block seen on sister network Disney Channel, branded as "Disney Junior on Disney Channel." The block airs every day at 7am MAL/PHIL time for two hour duration.
ground_truth: Nickelodeon Junior