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: Graphic4You Mustache Funny Design Hard Case Cover for Apple iPod Touch 6
Product description: Compatible with: Apple iPod Touch 6
Product feature: Compatible with: Apple iPod Touch 6, Slim and thin hard case, High quality printing. Colors won't fade, The smart design gives you total access to all functionality and buttons without removing your device., Great protection
Product brand: Graphic4You
Target attributes: Style
Answer: attribute: style
value: hard case
source: product title
attribute: style
value: hard case
source: product feature