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: Gaillardia aristata is a species of flowering plant in the sunflower family known by the common names common blanketflower and common gaillardia. This perennial wildflower is native to much of northern and western North America where it grows in many habitats.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Artist, 3)Film, 4)OfficeHolder, 5)NaturalPlace
[EX A]: 1

[EX Q]: Context: The Institute of Technology at Linköping University or Tekniska högskolan vid Linköpings universitet (former Linköpings tekniska högskola LiTH) is the faculty of science and engineering of Linköping University located in Linköping and Norrköping in Sweden. Since its start in 1969 LiTH has had close ties with the Swedish transport and electronics industry in general and with Ericsson and SAAB in particular.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)EducationalInstitution, 3)Athlete, 4)Film, 5)NaturalPlace
[EX A]: 2

[EX Q]: Context: The University of Windsor (U of W or UWindsor) is a public comprehensive and research university in Windsor Ontario Canada. It is Canada's southernmost university. It has a student population of approximately 15000 full-time and part-time undergraduate students and over 1000 graduate students.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)EducationalInstitution, 3)Film, 4)Plant
[EX A]:
2