Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Design Design Up To Nothin' Cocktail Napkins, Blue
Product description: You can't help but laugh, right? share the fun with your guests at your next gathering. Each package has 20 of these funny cocktail napkins by mikwright. Napkins are printed on 3-ply tissue with food-safe water-based inks.
Product feature: 20 napkins per package, Napkins are printed on 3-ply tissue with food-safe, water-based inks, Napkin size is 5" square
Product brand: Design Design
Target attributes: Style
Answer: attribute: style
value: cocktail napkins
source: product title
attribute: style
value: cocktail napkins
source: product description