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: Nagmati River is a river in western India in Gujarat whose origin is Near Bharapar village. Its basin has a maximum length of 50 km. The total catchment area of the basin is 135 km2.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)NaturalPlace, 3)Album, 4)EducationalInstitution, 5)Athlete
2

Context: Schneider Rundfunkwerke AG was a German manufacturer of mass market audio equipment.
Question: The document can be classified to which topic? 
Options: 1)Film, 2)Company, 3)Plant, 4)EducationalInstitution, 5)Artist
2

Context: Petrophytum cinerascens (orth. var. Petrophyton cinerascens) is a rare species of flowering plant in the rose family known by the common names halfshrub rockmat and Chelan rockmat. It is endemic to the state of Washington in the United States where it occurs in just a few locations along the Columbia River in Chelan and Douglas Counties.This plant is a clumpy mat-forming perennial herb growing in cracks and crevices in riverside cliffs.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)Album, 3)Athlete, 4)Plant

4