Question: The 3s Cable Car was developed by a company in which canton in Switzerland?
Sentence (from "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.
Relevant evidence: Yes