Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Enemy Ears Are Listening WWII War Propaganda Art Print Poster 19 x 13in
Product description: This versatile and affordable poster delivers sharp, clean images and a high degree of color accuracy. Your poster is printed with an offset lithography press with a coating to protect the inks.
Product feature: Decorate your walls with this brand new poster, Easy to frame and makes a great gift too, Ships quickly and safely in a sturdy protective tube
Product price: $9.99
Product brand: Poster Revolution
Target attributes: Artist
Answer: attribute: artist
value: None
source: None