Q: In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Context: USS Saginaw Bay (CVE-82) was an Casablanca-class escort carrier of the United States Navy. She was laid down as MC hull 1119 on 1 November 1943 by the Kaiser Shipbuilding Company Inc. of Vancouver Washington; launched on 19 January 1944 sponsored by Mrs. Howard L. Vickery; delivered to the Navy on 2 March 1944 at Astoria Oregon; and commissioned the same day with Captain Frank C.
Question: The document can be classified to which topic?
Options: 1)Film, 2)MeanOfTransportation, 3)WrittenWork, 4)Plant
A:
2