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: Lot of 4 x 100gr Skeins ICE YARNS Sparkle Light Grey
Product description: Knitting, Yarn, Eyelash Yarns, Sparkle, Polyester, Lurex, Yarn Tags:Metallic, Light Grey, ICE Brand, Yarn Tags:Eyelash, Yarn Tags:Bulky, 6 mm, US 10, 5.5 mm, US 9,
Product feature: Fiber Content : 60% Polyester, 40% Lurex,, Brand : ICE YARNS Yarns, Color : Light Grey, Length for skein : 218yds, 200m,, SKU : fnt2-35770
Product brand: Ice Yarns
Target attributes: Weight
Answer: attribute: weight
value: None
source: None