Question: Serene is a mobile phone produced as a joint venture between Samsung Electronics and a high-end Danish consumer electronics company founded in what year?
Sentence (from "Bang &amp; Olufsen"): It was founded in 1925 by and Svend Olufsen, who designed a radio to work with alternating current, a product of significance at a time when most radios were still running on batteries.
Relevant evidence: Yes