Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Lion Brand Yarn 792-207 Homespun Thick and Quick Yarn, Greystone Stripes by Lion Brand Yarn
Product description: Made in the USA;88% Acrylic, 12% Polyester;Machine wash; Initial water temperature should not exceed 40C or 105F; Dry Clean, any solvent; No bleach product may be used;Weight Category: 6 Super Bulky Weight: Bulky, Roving Yarn; 8 oz (227 g), 160 yd (146 m); One skein only;Each skein measures approximately 12 by 4 by 4-Inch
Product feature: Lion Brand Yarn 792-207 Homespun Thick and Quick Yarn, Greystone Stripes
Product price: $15.79
Product brand: Lion Brand Yarn
Target attributes: Wool Type
Answer: attribute: wool type
value: None
source: None