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.

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
4

Context: Callisia gentlei is a species of flowering plant in the spiderwort family Commelinaceae that is native to Mexico Belize and Honduras.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)Plant, 3)Village, 4)Album, 5)EducationalInstitution
2

Context: Pouteria brevipetiolata is a species of plant in the Sapotaceae family. It is endemic to Ecuador.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Building, 3)MeanOfTransportation, 4)Album

1