<prompt> Translate the following text to SwahiliIn the words of the 16th-century French traveller Pierre The Bosphorus with one key opens and closes two worlds, two seas.  <response>: Mfano wa msafiri Mfaransa Pierre XVI, ambaye aliandika: Bosphorus na ufunguo mmoja hufungua na kufunga ulimwengu mbili, bahari mbili. 