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: 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

Ex Output:
1


Ex Input:
Context: Metalhead is the fourteenth studio album by heavy metal band Saxon released in 1999 (see 1999 in music).
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)EducationalInstitution, 3)Animal, 4)Album, 5)Building

Ex Output:
4


Ex Input:
Context: The Cape serotine (Neoromicia capensis) is a species of vesper bat occurring in Sub-Saharan Africa.It is found in Angola Benin Botswana Burundi Cameroon Central African Republic Republic of the Congo Democratic Republic of the Congo Ivory Coast Equatorial Guinea Eritrea Ethiopia Gabon Ghana Guinea Guinea-Bissau Kenya Lesotho Liberia Malawi Mozambique Namibia Nigeria Sierra Leone Somalia South Africa Sudan Swaziland Tanzania Togo Uganda Zambia Zimbabwe and possibly Djibouti.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)Athlete, 3)Plant, 4)Animal

Ex Output:

4