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: Natural 8mm Gemstone Beads Beaded Bracelet with Lovely Heart Charm
Product description: We are one of the largest fashion jewlery supplier in Hongkong and China. We offer more than 10,000 different styles of jewelry.
Product feature: 7 inch stretch, Round beads, 30 days return for any reason, Fashion style, Good gifts for girls or friends, Package Dimensions: 2 x 2 x 1 inches, ASIN: B01EICUOQ0, Item model number: CPS, Date first listed on Amazon: April 19, 2016, Average Customer Review: 5.0 out of 5 stars 3 customer reviews
Product brand: Daisiny
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None