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: He Ain't Heavy - Gilbert Young 8.25x18 Unframed - African American Black Art Print Wall Decor Poster #LAC 8-02
Product description: Lithograph Printed In USA on Quality Paper Neutral Ph balanced, Acid Free !! Enjoy the work of two talents !! And Artist and Poet. Create A Personalized work of art by adding your own image on top of the Poetry !!! Great for Home Office Decor, Inerior decorators Welcome !! Our Prints are created and designed by American Artists.
Product feature: He Ain't Heavy Art print measures 8.25x18 inches. This is the paper size., "He Ain't Heavy" Poster is Lithograph Printed In USA on Quality Paper Neutral Ph balanced, Acid Free, Great for Home Office Decor., "He Ain't Heavy" Unframed Wall Decor Picture Poster, Artist: Gilbert Young
Product price: $21.99
Product brand: US Art
Target attributes: Paint Medium
Answer: attribute: paint medium
value: None
source: None