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: Acacia neriifolia also known as the Oleander Wattle is a tree in the Acacia genus originally from Australia. It is common in the Moonbi Ranges and is also found in Ibiza.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Artist, 3)Building, 4)OfficeHolder, 5)MeanOfTransportation
[A]: 1


[Q]: Context: Lautenbach (Ablach) is a river of Baden-Württemberg Germany.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Film, 3)WrittenWork, 4)NaturalPlace, 5)Company
[A]: 4


[Q]: Context: Robert Callaway (born February 14 1988) is an American football defensive tackle who is currently a free agent. He played college football at Saginaw Valley State.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)NaturalPlace, 3)Athlete, 4)Film
[A]:
3