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: 14K White/Yellow Gold Natural Mystic Topaz Halo Ring Cushion 9x9mm Diamond Accent, sizes 5 - 10
Product description: This Ring is made of solid 14K Gold set with Natural Gemstones and accented with Genuine Brilliant Cut Diamonds. Available in sizes 5 to 10 with half sizes. Designed by PIERA exclusively for Gabriella Gold.
Product feature: Naturally-vibrant superior color gemstone, High Quality Genuine Diamond Accents, 14K Solid Gold, Made in the USA, Exclusive design of PIERA for Gabriella Gold, Shipping Information: View shipping rates and policies, ASIN: B07BRLYQHP, Date first listed on Amazon: September 26, 2014, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product price: $705.41
Product brand: Silver City Jewelry
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None