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: 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: Xylorhiza tortifolia is a species of flowering plant in the aster family known by the common names Mojave aster and Mojave woodyaster. It is native to the deserts of the southwestern United States where it grows in canyons and other habitat. It is a perennial herb or subshrub with branching hairy glandular stems that reach 60 to 80 centimeters in length. The leaves are linear lance-shaped or oval with pointed or spiny tips and spiny edges. The leaf surfaces are hairy and glandular.
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)NaturalPlace, 3)Film, 4)Plant, 5)Athlete

A: 4
****
Q: Context: Placebo is the eponymous debut studio album by alternative rock band Placebo released on July 16th 1996 through Hut Records. It is the only album recorded with drummer Robert Schultzberg before his departure from the group.The album was a commercial success in the UK reaching number 5 in UK Albums Chart. Placebo has been critically well received with Q magazine readers voting it at number 87 in its All Time Top 100 Albums list.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)Building, 3)WrittenWork, 4)Album

A:
4
****