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.

Ex Input:
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

Ex Output:
2


Ex Input:
Context: Lautenbach (Ablach) is a river of Baden-Württemberg Germany.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Film, 3)WrittenWork, 4)NaturalPlace, 5)Company

Ex Output:
4


Ex Input:
Context: Cultripalpa lunulifera is a species of moth of the Erebidae family.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Building, 3)Animal, 4)Film, 5)Artist

Ex Output:

3