Question: The 3s Cable Car was developed by a company in which canton in Switzerland?

Context paragraphs:
Llandudno Cable Car: The Llandudno Cable Car is an attraction in the seaside resort of Llandudno in Conwy County Borough, Wales.  The cable car runs along the Great Orme spanning a distance of 1 mi exactly.  The cable car was opened in summer 1969, and has been operational ever since.  The cabins give wonderful views of the Irish Sea looking over to Rhyl and the Isle of Man, as well as the Snowdonia National Park.  There are currently 20 cabins in service, which leave each station at approximately one-minute intervals.  The cabins are painted in red, yellow, orange, light blue and purple.  The cable car is now owned by Kinetics Industrial Ltd.  The highest point from the ground is around 80 ft .  Nine pylons support the cable.

Singapore Cable Car disaster: The Singapore cable car disaster was a deadly event on the Singapore Cable Car system that occurred at about 6 p.m. on 29 January 1983, when the derrick of the "Eniwetok", a Panamanian-registered oil rig, passed under the aerial ropeway and struck the cable that stretched over the waterway between the Jardine Steps Station and the Sentosa Station.  As a result, two cabins plunged 55 metres into the sea, killing seven people.  The oil rig was being towed away from Keppel Wharf when it became entangled in the cable and caused it to snap.  It also left thirteen people trapped in four other cabins between Mount Faber and Sentosa.  The disaster was the first involving death or injury since the cable car system opened in February 1974.

Fichtelberg Cable Car: The Fichtelberg Cable Car (German: "Fichtelberg Schwebebahn" ) is a German cable car in the Ore Mountains in Saxony that runs from the town of Oberwiesenthal to the Fichtelberg mountain top.  It is the oldest cable car in Germany, leading from the valley station at an altitude of 905 metres above sea level to the top station at 1,208 metres above sea level, having a length of 1,175 metres and a maximum upward gradient of 50 per cent.  The Fichtelberg Cable Car is equipped with two carrying and two hauling cables.

San Francisco cable car system: The San Francisco cable car system is the world's last manually operated cable car system.  An icon of San Francisco, the cable car system forms part of the intermodal urban transport network operated by the San Francisco Municipal Railway.  Of the 23 lines established between 1873 and 1890, only three remain (one of which combines parts of two earlier lines): two routes from downtown near Union Square to Fisherman's Wharf, and a third route along California Street.  While the cable cars are used to a certain extent by commuters, the vast majority of their 7 million annual passengers are tourists.  They are among the most significant tourist attractions in the city, along with Alcatraz Island, the Golden Gate Bridge, and Fisherman's Wharf.  The cable cars are listed on the National Register of Historic Places.

Nebelhorn Cable Car: The Nebelhorn Cable Car (German: "Nebelhornbahn" ) in Oberstdorf, Germany is a cable car on the Nebelhorn mountain that was constructed in 3 sections.  It was first built between 1928 and 1930 and rebuilt in 1977 and 1991.  The first section of the Nebelhorn cable car, renewed in 1977, has a length of 2,202.68 metres, a carrying cable of 55 mm and a hauling cable of 21 mm in diameter.  It climbs a total height of 452 metres.

Wendelstein Cable Car: The Wendelstein Cable Car (Wendelstein-Seilbahn) is a 2953 m long cable car (US: aerial tramway) running from Bayrischzell Osterhofen to Mount Wendelstein.  It has a maximum speed of 10 m/s (36 km/h ) and its travel time is 6.5 minutes.  The cabins each take up to 50 passengers, and the cable car system has a transport capacity of 450 people per hour.  The cable car climbs an altitude difference of 932 m .

Eibsee Cable Car: The Eibsee Cable Car, which opened in 1963, is a cable car which connects the lower station (973 m above sea level) near lake Eibsee with the top station at 2950 m above sea level next to the summit of Zugspitze, Germany's highest mountain on the border to Austria.  The cable car was built to provide a faster access to the Zugspitze from its German side, as the cog railway from Garmisch-Partenkirchen does not go directly to the summit and takes much longer.  The "Eibsee Cable Car" belongs to "Bayerische Zugspitzbahn Bergbahn AG", the company operating the cog railway and most cable cars, gondola lifts and chairlifts in the Garmisch-Partenkirchen area.  It is thus possible to make round trips using both the cog railway and the cable car.  On the Austrian side, there is the Tyrolean Zugspitze Cable Car which starts at Ehrwald and meets the Eibsee Cable Car on the top.

Mérida cable car: The Mérida Cable Car (Spanish: "Teleférico de Mérida" ) or Mukumbarí is a cable car system in Venezuela.  Its base is located in the Venezuelan city of Mérida at an altitude of 1640 m , and its terminus is on Pico Espejo, at 4765 m .  It is the highest and second longest cable car in the world for just 500 meters, but is in first place for being the only one which combined such height and length.  Mérida Cable Car is a journey of 12.5 kilometers, reaching a height of 4,765 meters, making it an engineering marvel that is one of a kind and has over 40 years of history.  The whole system was opened to the public in 1960; it was closed indefinitely in 2008, with a declaration that it had reached the end of its service life and is being rebuilt.  In 2011 it began a project of total modernization of the cable car which promised to become the most modern in the world.  In April 2016 it re-opened its doors to the public.

Thun: Thun (French: "Thoune" ) is a town and a municipality in the administrative district of Thun in the canton of Bern in Switzerland with about 43,783 inhabitants (around 90,000 in the agglomeration), as of 31 December 2013.

3S Cable Car: The 3S Cable Car (Europe), 3S Gondola Lift or 3S Aerial Tramway (US) is a cable car system that was developed by the Swiss company Roll transport systems in Thun to unite the benefits of a gondola with those of a reversible cable car system.

Supporting paragraphs: 3S Cable Car Thun
Answer: Bern