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: Carolyn Pollack Sterling Silver Blue Lace Agate Bold Ring
Product description: A big, beautiful stone of blue lace agate in this bold ring makes a statement - the simple, clean design makes it classic. The cabochon is mounted in highly polished sterling silver with a rope border on the comfortable tapered shank. Sleek yet substantial, this ring is a classic, wearable addition to any collection. Ring measures 1" L x 3/4" W. Proudly made in New Mexico, USA with fair labor. We do our part for the environment by crafting our jewelry from recycled genuine sterling silver.
Product feature: Natural Gemstone: Blue Lace Agate, Genuine Sterling Silver, Measures 1" L x 3/4" W, Jewelry by Noted Designer Carolyn Pollack, Lifetime Warranty on Jewelry, Package Dimensions: 5.5 x 4.3 x 1.8 inches, Shipping Weight: 4.8 ounces, ASIN: B006C4BMMS, Date first listed on Amazon: November 22, 2011, Average Customer Review: 4.1 out of 5 stars 5 customer reviews
Product brand: Carolyn Pollack
Target attributes: Silhouette
Answer: attribute: silhouette
value: statement
source: product description