Task: Text Categorization
Input (English): Text:  HMS Osiris (N67) was an O-class submarine of the Royal Navy. She was laid down by Vickers-Armstrongs of Barrow-in-Furness on 12 May 1927 launched on 19 May 1928 and commissioned on 25 Jan 1929.She was first commissioned for service with the 4th Submarine Flotilla on the China Station.
Output (English): 6