Task: Text Categorization
Input (English): Text:  USS Tigrone (SS/SSR-419) a Tench-class submarine was the only ship of the United States Navy to be named for the tigrone a tiger shark found in tropical waters. Her keel was laid down on 8 May 1944 by the Portsmouth Navy Yard. She was launched on 20 July 1944 sponsored by Mrs. Charles F.
Output (English): 6