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: Halo Recessed Lighting RS7H H7 Recessed Housing Replacement Springs 4 pack
Product description: Light fixture trim springs. Trim replacement spring. For use with 301, 310, 401, ans 426 trims in the H7 recessed housing family. Trim replacement spring For use with 301, 310, 401 Ans 426 trims in the H7 recessed housing family 4 pack .
Product feature: Trim replacement spring, For use with 301, 310, 401, Ans 426 trims in the H7 recessed housing family
Product price: $8.15
Product brand: Cooper Lighting
Target attributes: Shade Material
Answer: attribute: shade material
value: None
source: None