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: Timeless Frames 12x16 Inch Boca Picture Frame, Black
Product description: Timeless Frames 12x16 Inch Boca Picture Frame, Black
Product feature: Frame Fits 12x16 Prints and Art, Solid Black Moulding, Standard UV glass filters harmful rays, Great For Digital Sizes, Hardware, if not on the back itself, is located INSIDE the frame BEHIND the face paper to prevent it from scratching the glass.
Product price: $17.00
Product brand: Timeless Expressions
Target attributes: Style
Answer: attribute: style
value: None
source: None