Task: Text Categorization
Input (English): Context: USS Ibex (1863) was a steamer acquired by the Union Navy during the American Civil War. She was to be used as a gunboat by the Navy although the war ended less than a week (9 April 1865) after she was commissioned.Ibex a tinclad side-wheel gunboat formerly called Ohio Valley was built at Harmar Ohio in 1863 and was purchased by the Navy at Cincinnati Ohio from Theodore Johnson on 10 December 1864. It was commissioned at Mound City Illinois on 4 April 1865 Lt. Comdr. R. L.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Athlete, 3)Film, 4)Animal, 5)EducationalInstitution
Output (English): 1