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.

Input: Consider Input: Context: Mucum River is a river of Amazonas state in north-western Brazil.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)NaturalPlace, 3)EducationalInstitution, 4)WrittenWork

Output: 2


Input: Consider Input: Context: Jafarian (Persian: جعفريان‎ also Romanized as Ja‘farīān) is a village in Baranduz Rural District in the Central District of Urmia County West Azerbaijan Province Iran. At the 2006 census its population was 169 in 29 families.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Village, 3)Animal, 4)NaturalPlace, 5)OfficeHolder

Output: 2


Input: Consider Input: Context: The Canadian Journal of Physiology and Pharmacology (fr. Revue canadienne de physiologie et pharmacologie) is a monthly peer-reviewed scientific journal that is published by NRC Research Press (Ottawa Ontario Canada). It is in part a continuation of the Canadian Journal of Biochemistry and Physiology.[citation needed] While the vast majority of its papers are in English the Journal also publishes in French.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)WrittenWork, 3)MeanOfTransportation, 4)Village


Output: 2