Problem: Information:  - Digital distribution (also called content delivery, online distribution, or electronic software distribution (ESD), among others) is the delivery or distribution of media content such as audio, video, software and video games. The term is generally used to describe distribution over an online delivery medium, such as the Internet, thus bypassing physical distribution methods, such as paper, compact discs, and VHS videocassettes. The term online distribution is typically applied to freestanding products; downloadable add-ons for other products are more commonly known as downloadable content. With the advancement of network bandwidth capabilities, online distribution became prominent in the 21st century.  - Half-Life 2 (stylized as HLF-LIFE) is a first-person shooter video game developed and published by Valve Corporation. The sequel to 1998's "Half-Life", it was released in November 2004, following a five-year, $40 million development phase, during which a substantial part of the project was leaked and distributed on the Internet. The game was developed alongside Valve's Steam software and the Source engine.  - Left 4 Dead is a cooperative first-person shooter video game with survival horror elements, developed by Valve South and published by Valve Corporation. The game uses Valve's proprietary Source engine, and is available for Microsoft Windows, Xbox 360 and OS X. Development on the game was completed on November 13, 2008, and two versions were released digitally: A downloadable digital version, released on November 17, 2008, and a digital retail disc version, with a release date determined by region. The digital retail disc version was released in North America and Australia on November 18, 2008; and in Europe on November 21, 2008.  - Age of Chivalry is a multiplayer video game , created as a total conversion modification for the Valve Corporation 's Half - Life 2 using the Source engine . Founded by Rikard Lindgren and Scott Chipman , and developed by third - party developer Team Chivalry , the game consists of a medieval theme and aims to provide enjoyable close - combat battles .  - Valve Corporation (commonly referred to as Valve) is an American video game developer and digital distribution company headquartered in Bellevue, Washington. The company is known for the "Half-Life", "Counter-Strike", "Portal", "Day of Defeat", "Team Fortress", and "Left 4 Dead" series, "Dota 2", and its software distribution platform Steam.    Given the information, choose the subject and object entities that have the relation of 'platform'.

A: age of chivalry , microsoft windows


Problem: Information:  - Prof John Norman Collie FRSE FRS (10 September 1859  1 November 1942), commonly referred to as J. Norman Collie, was a British scientist, mountaineer and explorer.  - Mount Andromeda is located within the Columbia Icefield on the boundary of Banff and Jasper national parks . The mountain can be seen from the Icefields Parkway ( # 93 ) near Sunwapta Pass and is directly southwest of Mount Athabasca . Mt . Andromeda was named in 1938 by Rex Gibson , former president of the Alpine Club of Canada , after Andromeda , the wife of Perseus .  - The Canadian Rockies comprise the Canadian segment of the North American Rocky Mountains. They are the eastern part of the Canadian Cordillera, which is a system of multiple ranges of mountains which runs from the Canadian Prairies to the Pacific Coast. The Canadian Rockies mountain system comprises the southeastern part of this system, laying between the Interior Plains of Alberta and Northeastern British Columbia on the east to the Rocky Mountain Trench of BC on the west. The southern end borders Idaho and Montana of the USA. In geographic terms the boundary is at the Canada/US border, but in geological terms it might be considered to be at Marias Pass in northern Montana. The northern end is at the Liard River in northern British Columbia.  - Banff National Park is Canada's oldest national park, established in 1885 in the Rocky Mountains. The park, located west of Calgary in the province of Alberta, encompasses of mountainous terrain, with numerous glaciers and ice fields, dense coniferous forest, and alpine landscapes. The Icefields Parkway extends from Lake Louise, connecting to Jasper National Park in the north. Provincial forests and Yoho National Park are neighbours to the west, while Kootenay National Park is located to the south and Kananaskis Country to the southeast. The main commercial centre of the park is the town of Banff, in the Bow River valley.  - The Columbia Icefield is the largest ice field in the Rocky Mountains of North America. Located in the Canadian Rockies astride the Continental Divide along the border of British Columbia and Alberta, Canada, the ice field lies partly in the northwestern tip of Banff National Park and partly in the southern end of Jasper National Park.  - The Rocky Mountains, commonly known as the Rockies, are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States. Within the North American Cordillera, the Rockies are somewhat distinct from the Pacific Coast Ranges and the Cascade Range and Sierra Nevada which all lie further to the west.  - Jasper National Park is the largest national park in the Canadian Rockies, spanning . It is located in the province of Alberta, north of Banff National Park and west of Edmonton. The park includes the glaciers of the Columbia Icefield, hot springs, lakes, waterfalls and mountains.  - A continental divide is a drainage divide on a continent such that the drainage basin on one side of the divide feeds into one ocean or sea, and the basin on the other side either feeds into a different ocean or sea, or else is endorheic, not connected to the open sea.  - The Cree (historical autonym: Nhiyaw) are one of the largest groups of First Nations in North America, with over 200,000 members living in Canada. The major proportion of Cree in Canada live north and west of Lake Superior, in Ontario, Manitoba, Saskatchewan, Alberta and the Northwest Territories. About 38,000 live in Quebec.  - Lake Athabasca (French: "lac Athabasca"; from Woods Cree: , "[where] there are plants one after another") is located in the northwest corner of Saskatchewan and the northeast corner of Alberta between 58° and 60° N. The lake is 26% in Alberta and 74% in Saskatchewan.  - Mount Athabasca is located in the Columbia Icefield of Jasper National Park in Canada. The mountain was named in 1898 by J. Norman Collie, who made the first ascent on August 18 of that year. Athabasca is the Cree Indian name for "where there are reeds" which originally referred to Lake Athabasca.    Given the information, choose the subject and object entities that have the relation of 'part of'.

A:
mount andromeda  , canadian rockies