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: The Pietriș River is a tributary of the Coșna River in Romania.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Athlete, 3)MeanOfTransportation, 4)Animal, 5)Album

A: 1
****
Q: Context: Nina Arkina (1891 – 1980) was a Russian-born Norwegian writer.She was born in Odessa but lived in Norway. She issued biographical novels about Catherine the Great (1949) Alexander I of Russia (two volumes in 1950 and 1951) Nicholas I of Russia and Alexander Pushkin (1954) Alexander II of Russia (1956) Alexander III of Russia and Nicholas II of Russia (1963) Sonya Kovalevsky (1967) Karl Marx (1968) and Vladimir Lenin (1972).She was married to editor and politician Victor Mogens.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)Company, 3)Artist, 4)Building

A: 3
****
Q: Context: Bounty (popularly HMS Bounty) was an enlarged reconstruction of the original 1787 Royal Navy sailing ship HMS Bounty. Built in Lunenburg Nova Scotia in 1960 she sank off the coast of North Carolina during Hurricane Sandy on 29 October 2012.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)MeanOfTransportation, 3)Artist, 4)WrittenWork, 5)Film

A:
2
****