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: Huang Shao-ku (Chinese: 黃少谷; pinyin: Huáng Shǎogǔ) was a politician in the Republic of China. He was the Vice Premier in 1954–1958 and 1966–1969.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)NaturalPlace, 3)OfficeHolder, 4)WrittenWork

A: 3
****
Q: Context: Raven Rocks is spur of Blue Ridge Mountain in Jefferson County West Virginia. The peak is located just north of Jefferson County's border with Clarke County Virginia and west of its border with Loudoun County Virginia. Raven Rocks is formed by the drainage gorges of Rocky Branch Creek to the north and Raven Rocks Creek to the south (both direct tributaries of the Shenandoah River) on the mountains western watershed.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)MeanOfTransportation, 3)NaturalPlace, 4)Athlete

A: 3
****
Q: Context: Merica sinensis is a species of sea snail a marine gastropod mollusk in the family Cancellariidae the nutmeg snails.
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)Athlete, 3)Company, 4)Animal, 5)NaturalPlace

A:
4
****