Task: Wrong Candidate Generation
Input (English): Text:  HNoMS Vidar was a Vale-class Rendel gunboat built for the Royal Norwegian Navy at Horten Naval Yard in 1878. She was one of a class of five gunboats - the other ships in the class were Vale Brage Nor and Uller.Vidar was in addition to the heavy muzzle-loading main gun armed with a small 'Quick Fire' gun and an early automatic gun similar to the Gatling gun.Later Vidar like her sister ships was rebuilt as a minelayer and she served in this role when the Germans invaded in 1940.
Question: WHat is the classified topic name
Output (English): Film