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.

Example Input: Context: OPV-70 is an Offshore Patrol Vessel of the Royal Moroccan Navy designed by Raidco Marine and built at STX France SA.The first vessel received was named after the Battle of Bir Anzaran between rebel Polisario Front and Royal Armed Forces in 1979.
Question: The document can be classified to which topic?
Options: 1)MeanOfTransportation, 2)Building, 3)WrittenWork, 4)OfficeHolder, 5)Company
Example Output: 1

Example Input: Context: Pediocactus peeblesianus is a rare species of cactus known by the common names Navajo pincushion cactus. It is endemic to the state of Arizona in the United States. One subspecies of the plant is federally listed as an endangered species of the U.S.This petite cactus grows up to 6.5 centimeters tall by about 5.5 wide. It is grayish green in color and generally spherical or egg-shaped.
Question: The document can be classified to which topic?
Options: 1)Plant, 2)Company, 3)NaturalPlace, 4)Artist
Example Output: 1

Example Input: Context: Buckingham Lake commonly referred to as Buckingham Pond or Rafts Pond is a body of water located in a residential area of Albany New York. It has a surface area of 5 acres (20000 m2) and a mean depth of three feet. The lake is adjacent to Buckingham Lake Park a small recreation area with picnic tables and playground equipment. Three fountains help aerate water during the warmer months while ice-skating often takes place on the lake's frozen surface during the winter.
Question: The document can be classified to which topic?
Options: 1)MeanOfTransportation, 2)Company, 3)NaturalPlace, 4)Village
Example Output:
3