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: Solid Sterling Silver Mid Finger Spike Band Midi Knuckle Ring
Product description: Exhibit your penchant for fine modern jewelry with this genuine sterling silver knuckle ring. Expertly handcrafted in top quality polished finish, this knuckle ring will definitely add a dash of elegant and a hint of sophistication to your style regardless of outfit or occasion .
Product feature: designer-inspired modern mid knuckle stackable ring with plain stacking band in fine hammer finish band, expertly handmade with authentic 925 sterling silver in stylish polished finish, comes with free special deluxe jewelry gift box, made in the USA yet offered at factory direct jewelry price, ships directly from the manufacturer to the customers, Shipping Information: View shipping rates and policies, ASIN: B00JXTPEM8, Item model number: R866S, Date first listed on Amazon: April 25, 2014, Average Customer Review: 2.2 out of 5 stars 2 customer reviews
Product price: $14.99
Product brand: Modern Contemporary Rings
Target attributes: Silhouette
Answer: attribute: silhouette
value: band
source: product feature
attribute: silhouette
value: band
source: product title