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 Q]: Context: Schombocattleya (from Cattleya and Schomburgkia its parent genera) is an intergeneric hybrid of orchids. The genus is abbreviated Smbc. in the horticultural trade.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)NaturalPlace, 3)MeanOfTransportation, 4)EducationalInstitution
[EX A]: 1

[EX Q]: Context: The Cutler River is a stream located in the White Mountains of New Hampshire in the United States. Approximately 1.8 miles (2.9 km) in length it is a tributary of the Ellis River – a part of the Saco River watershed flowing to the Atlantic Ocean in Maine.The river rises as two branches on the eastern slopes of Mount Washington the highest peak in the northeastern United States. The western branch identified as the main stem by some sources begins in Tuckerman Ravine.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)MeanOfTransportation, 3)Plant, 4)NaturalPlace, 5)OfficeHolder
[EX A]: 4

[EX Q]: Context: Maxwell is a crater on the far side of the Moon named after the physicist James C. Maxwell. It lies in the southwestern part of the larger crater Richardson. The southern part of Maxwell is overlain in turn by the partly flooded Lomonosov.
Question: The document can be classified to which topic? 
Options: 1)Film, 2)Building, 3)Company, 4)NaturalPlace
[EX A]:
4