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: Zheng Huaiying is a former female table tennis player from China.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)Album, 3)Artist, 4)Athlete
[A]: 4


[Q]: Context: Nasutitermes walkeri commonly known as the niggerhead termite or tree termite is a species of arboreal termite found in eastern New South Wales and southeastern Queensland Australia.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)Building, 3)Animal, 4)Company, 5)Film
[A]: 3


[Q]: Context: Wave is the third album by Antonio Carlos Jobim released in 1967 on A&M Records. It is known as Jobim's most successful album to date (# 5 US JAZZ ALBUMS 1967# 114 US ALBUMS 1968) and it was listed by Rolling Stone Brazil as one of the 100 best Brazilian albums in history.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)Athlete, 3)WrittenWork, 4)OfficeHolder, 5)MeanOfTransportation
[A]:
1