Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Zumba Fitness Women's Foil Me Once Looser Back Tank Top
Product description: Hang loose and look darn good doin' it in the Foil Me Once Loose Racerback. Featuring the silhouette you love and the gold detail you crave (what girl doesn't?), this classic cut has been updated by the grace of gold.
Product feature: 50% Cotton, 50% Polyester, Imported, Jacquard elastic trim with 'Feel The Music', Soft, textured effect, Slight high-low hem at bottom opening
Product brand: Zumba
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: tank top
source: product title