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.

Ex Input:
Context: The Meta River is a major left tributary of the Orinoco River in eastern Colombia and western Venezuela South America. It is formed in the Meta Department Colombia by the confluence of the Humea Guatiquía and Guayuriba rivers. It flows east-northeastward across the Llanos Orientales plains of Colombia through an ancient fault.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Village, 3)MeanOfTransportation, 4)Company, 5)EducationalInstitution

Ex Output:
1


Ex Input:
Context: La Dauphine (Fr. The Dauphin) was a three-masted sailing vessel that served as the flagship of the explorer Giovanni da Verrazzano on his first voyage to the New World while seeking a shipping passage to China from Europe.
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)Plant, 3)Film, 4)MeanOfTransportation, 5)Building

Ex Output:
4


Ex Input:
Context: The Ultima Tower is a hypothetical supertall skyscraper designed by American architect Eugene Tsui in 1991. With a total height of 3218.7 metres (10560 ft) the tower would be 2 miles tall and comprise 500 stories if built.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)NaturalPlace, 3)Building, 4)MeanOfTransportation, 5)Album

Ex Output:

3