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: (24x36) Ford Focus (Green RS) Art Poster Print
Product description: Ford Focus RS Poster 24x36 Green Hatchback 32205
Product feature: High Quality Professional Licensed Prints!, Measurements: 24" inches x 36" inches, GREAT DEAL!, 100% Satisfaction Guarantee!, Ships out FAST!!!! You'll be amazed!
Product brand: Wall Posters
Target attributes: Artist
Answer: attribute: artist
value: None
source: None