Please answer the following question: Information: - MSNBC is an American basic cable and satellite television network that provides news coverage and political commentary from NBC News on current events. The network also carries a nightly 'opinion' programming block during prime time hours. It is owned by the NBCUniversal News Group, a unit of the NBCUniversal Television Group division of NBCUniversal, all of which are owned by Comcast. - Ottawa is the capital city of Canada. It stands on the south bank of the Ottawa River in the eastern portion of southern Ontario. Ottawa borders Gatineau, Quebec; the two form the core of the OttawaGatineau census metropolitan area (CMA) and the National Capital Region (NCR). The 2011 census reported a population of 883,391, making it the fourth-largest city in Canada; and 1,236,324 within the CMA, making it the fourth-largest CMA in Canada. The City of Ottawa reported that the city had an estimated population of 960,754 as of December 2015. - The Canadian Broadcasting Corporation, branded as CBC/Radio-Canada, is a Canadian crown corporation that serves as the national public radio and television broadcaster. The English- and French-language services units of the corporation are commonly known as CBC and Radio-Canada respectively, and both short-form names are also commonly used in the applicable language to refer to the corporation as a whole. - CBC Television (also known as simply "CBC") is a Canadian broadcast television network that is owned by the Canadian Broadcasting Corporation, the national public broadcaster. The network began operations on September 6, 1952. Its French-language counterpart is Ici Radio-Canada Tele. - TVOntario (often shortened to TVO and stylized on-air as tvo) is a Canadian publicly funded English language educational television station and media organization serving the Canadian province of Ontario. It is operated by the Ontario Educational Communications Authority, a Crown corporation owned by the Government of Ontario. It operates two television stations: CICA (virtual and UHF digital channel 19) in Toronto and CICO-24 (virtual and UHF digital channel 24) in Ottawa, these two stations relay their programming across portions of Ontario through seven rebroadcast stations. It is also available on cable throughout Ontario, and all cable providers in the province are required to carry it on their basic tier. - Ontario, one of the 13 provinces and territories of Canada, is located in east-central Canada. It is Canada's most populous province by a large margin, accounting for nearly 40 percent of all Canadians, and is the second-largest province in total area. Ontario is fourth-largest in total area when the territories of the Northwest Territories and Nunavut are included. It is home to the nation's capital city, Ottawa, and the nation's most populous city, Toronto. - English is a West Germanic language that was first spoken in early medieval England and is now a global "lingua franca". Named after the Angles, one of the Germanic tribes that migrated to England, it ultimately derives its name from the Anglia (Angeln) peninsula in the Baltic Sea. It is most closely related to the Frisian languages, although its vocabulary has been significantly influenced by other Germanic languages in the early medieval period, and later by Romance languages, particularly French. English is either the official language or one of the official languages in almost 60 sovereign states. It is the most commonly spoken language in the United Kingdom, the United States, Canada, Australia, Ireland, and New Zealand, and is widely spoken in some areas of the Caribbean, Africa, and South Asia. It is the third most common native language in the world, after Mandarin and Spanish. It is the most widely learned second language and an official language of the United Nations, of the European Union, and of many other world and regional international organisations. It is the most widely spoken Germanic language, accounting for at least 70% of speakers of this Indo-European branch. - The Government of Ontario, or more formally Her Majesty's Government of Ontario, is the provincial government of the province of Ontario, Canada. Its powers and structure are set out in the Constitution Act, 1867. - A television network is a telecommunications network for distribution of television program content, whereby a central operation provides programming to many television stations or pay television providers. Until the mid-1980s, television programming in most countries of the world was dominated by a small number of broadcast networks. Many early television networks (such as the BBC, NBC or CBC) evolved from earlier radio networks. - The National Broadcasting Company (NBC) is an American commercial broadcast television network that is the flagship property of NBCUniversal, a subsidiary of Comcast. The network is headquartered in the Comcast Building (formerly known as the GE Building) at Rockefeller Center in New York City, with additional major offices near Los Angeles (at Universal City Plaza), Chicago (at the NBC Tower) and soon in Philadelphia at Comcast Innovation and Technology Center. The network is part of the Big Three television networks. NBC is sometimes referred to as the "Peacock Network", in reference to its stylized peacock logo, which was originally created in 1956 for its then-new color broadcasts and became the network's official emblem in 1979. - Comcast Corporation (formerly registered as Comcast Holdings) is an American global telecommunications conglomerate that is the largest broadcasting and cable television company in the world by revenue. It is the second-largest pay-TV company after the AT&T-DirecTV acquisition, largest cable TV company and largest home Internet service provider in the United States, and the nation's third-largest home telephone service provider. Comcast services U.S. residential and commercial customers in 40 states and in the District of Columbia. The company's headquarters are located in Philadelphia, Pennsylvania. As the owner of the international media company NBCUniversal since 2011, Comcast is a producer of feature films and television programs intended for theatrical exhibition and over-the-air and cable television broadcast. - Ici Radio-Canada Tele (stylized as ICI Radio-Canada TL) is a service mark for the Canadian French language television network of the Canadian Broadcasting Corporation, known in French as "Societe Radio-Canada". Its headquarters are at Maison Radio-Canada in Montreal, which is also home to the network's flagship station, CBFT-DT. It is the only francophone network in Canada to broadcast over-the-air in all Canadian provinces. - Canada (French: ) is a country in the northern half of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific and northward into the Arctic Ocean, covering , making it the world's second-largest country by total area and the fourth-largest country by land area. Canada's border with the United States is the world's longest land border. The majority of the country has a cold or severely cold winter climate, but southerly areas are warm in summer. Canada is sparsely populated, the majority of its land territory being dominated by forest and tundra and the Rocky Mountains. About four-fifths of the country's population of 36 million people is urbanized and live near the southern border. Its capital is Ottawa, its largest city is Toronto; other major urban areas include Montreal, Vancouver, Calgary, Edmonton, Quebec City, Winnipeg and Hamilton. - NBCUniversal (colloquially referred to as NBCU or NBCUni and formerly written as NBC Universal) is an American multinational media conglomerate. Headquartered in Rockefeller Plaza's Comcast Building (formerly the GE Building) in Midtown Manhattan, New York City, the company is one of two successor companies to MCA Inc. (Music Corporation of America), the other being Vivendi through its subsidiary Universal Music Group. - NBCUniversal Television Group is the common name, given the previous usage as a name for the preceding division group, for NBC Broadcasting and NBC Entertainment, both American television units of NBCUniversal. - NBC News is a division of the American broadcast network NBC. The division operates under NBCUniversal News Group, a subsidiary of NBCUniversal, in turn a subsidiary of Comcast. The group's various operations report to the president of NBC News, Deborah Turness. - The Northwest Territories (also known as NWT; French: "les Territoires du Nord-Ouest", "TNO"; Athabaskan languages: "Denendeh"; Inuinnaqtun: "Nunatsiaq"; Inuktitut: ) is a territory of Canada. At a land area of approximately and a 2011 population of 41,462, it is the second largest and most populous of the three territories in Northern Canada. Its estimated population as of 2016 is 44,291. Yellowknife became the territorial capital in 1967, following recommendations by the Carrothers Commission. - Nunavut (from Inuktitut: ) is the newest, largest, northernmost, and least populous territory of Canada. It was separated officially from the Northwest Territories on April 1, 1999, via the Nunavut Act and the Nunavut Land Claims Agreement Act, though the boundaries had been contemplatively drawn in 1993. The creation of Nunavut resulted in the first major change to Canada's political map since the incorporation of the province of Newfoundland and Labrador in 1949. - Canada's geography is divided into administrative divisions known as provinces and territories that are responsible for delivery of sub-national governance. When Canada was formed in 1867, three provinces of British North America New Brunswick, Nova Scotia and the Province of Canada (which, on the formation of Canada, was divided into Ontario and Quebec) were united to form a federated colony, which eventually became a sovereign nation in the next century. Over its history, Canada's international borders have changed several times, and the country has grown from the original four provinces to the current ten provinces and three territories. The ten provinces are Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Quebec, and Saskatchewan. Several of the provinces were former British colonies, Quebec was originally a French colony, while others were added as Canada grew. The three territories are Northwest Territories, Nunavut, and Yukon, which govern the rest of the area of the former British North America. Together, the provinces and territories make up the world's second-largest country by area. - David Ridgen is an award - winning independent Canadian filmmaker born in Stratford , Ontario . He has worked for CBC Television , MSNBC , NPR , TVOntario and others . - Toronto is the most populous city in Canada, the provincial capital of Ontario, and the centre of the Greater Toronto Area, the most populous metropolitan area in Canada. Growing in population, the 2011 census recorded a population of 2,615,060. As of 2015, the population is now estimated at 2,826,498, making Toronto the fourth-largest city in North America based on the population within its city limits. Toronto trails only Mexico City, New York City, and Los Angeles by this measure, while it is the fifth-largest (behind also Chicago) if ranked by the size of its metropolitan area . An established global city, Toronto is an international centre of business, finance, arts, and culture, and widely recognized as one of the most multicultural and cosmopolitan cities in the world. After reading the paragraphs above, choose the best answer for the entity that related to 'david ridgen' with the relationship of 'employer'. Choices: - at & t - bbc - canada - canadian broadcasting corporation - capital - cbc television - mca inc . - msnbc - nbc - nbcuniversal - new york - new york city - united nations
A:
canadian broadcasting corporation