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: In taxonomy Bolbocoleon is a genus of algae in the family Chaetophoraceae.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Company, 3)WrittenWork, 4)EducationalInstitution
[EX A]: 1

[EX Q]: Context: Stone Age is a compilation by The Rolling Stones released on the Decca label in 1971. It reached #4 on the UK charts.[citation needed]The Stones were strongly against this release. In full page ads in Record Mirror and NME on 20 March 1971 they stated We didn't know this record was going to be released.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Film, 3)Album, 4)Animal
[EX A]: 3

[EX Q]: Context: The Piper PA-44 Seminole is an American twin-engined light aircraft manufactured by Piper Aircraft.The PA-44 is a development of the Piper Cherokee single-engined aircraft and is primarily used for multi-engined flight training.The Seminole was built in 1979-82 in 1989-90 and again since 1995.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)MeanOfTransportation, 3)Athlete, 4)Film, 5)EducationalInstitution
[EX A]:
2