Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Black / Orange Crystal Hard Skin Case Cover for iPod Touch 4th Generation 4G 4
Product description: Black / Orange Crystal Hard Skin Case Cover for iPod Touch 4th Generation 4G 4
Product feature: Black / Orange Crystal Hard Skin Case Cover for iPod Touch 4th Generation 4G 4, Protect your device with style through this sleek protector case., Provides ultimate protection from scratches and chips, Precise openings on the protector case to allow access to all controls and features., Easy, perfect fitting cover protects your device.
Product brand: Generic
Target attributes: Style
Answer: attribute: style
value: skin case
source: product title
attribute: style
value: skin case
source: product description
attribute: style
value: skin case
source: product feature