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.

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

A: 1
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Q: Context: Sidewalk Blues (subtitled Blues Rags Jazz & Spirituals) is an album by American guitarist Tim Sparks released in 2009. It marks a return to 'roots' music for Sparks after three albums of klezmer and jazz recordings on the Tzadik Records label.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)Film, 3)Album, 4)Athlete

A: 3
****
Q: Context: The Siraz Baligi (Capoeta pestai) is a species of ray-finned fish in the Cyprinidae family.It is found only in Turkey.Its natural habitat is freshwater lakes.It is threatened by habitat loss.
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)EducationalInstitution, 3)Album, 4)Animal, 5)Company

A:
4
****