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: Sterling Silver Created White Sapphire 4mm Ring, Size 7
Product feature: Imported, Package Dimensions: 2.6 x 1.9 x 0.7 inches, Shipping Weight: 0.32 ounces, ASIN: B013I34SM6, California residents: Click here for Proposition 65 warning, Item model number: S4AHN0DCAC, Date first listed on Amazon: October 22, 2015, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: Amazon Collection
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None