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.

Q: Context: Annals of Transplantation is a quarterly peer-reviewed medical journal that was established in 1996 and is published by International Scientific Information. It is the official publication of the Polish Transplantation Society with the co-operation of the Czech Transplantation Society and the Hungarian Transplantation Society and covers research on all aspects of organ transplantation.
Question: The document can be classified to which topic? 
Options: 1)Film, 2)WrittenWork, 3)NaturalPlace, 4)Village, 5)Company

A: 2
****
Q: Context: Littleville Lake is located mostly in the town of Chester in Hampden County and partly in the town of Huntington in Hampshire County Massachusetts. It was created by the US Army Corps of Engineers when the Middle Branch of the Westfield River was dammed to control flooding.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)NaturalPlace, 3)Artist, 4)Athlete, 5)Film

A: 2
****
Q: Context: Zatrephes klagesi is a moth in the Arctiidae family. It was described by Rothschild in 1909. It is found in Brazil.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)Film, 3)Village, 4)Animal, 5)WrittenWork

A:
4
****