Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: 5mm Titanium Rings, Titanium Wedding Bands, Titanium Wedding Rings
Product description: This is a comfort fit band that is custom made to order with Aerospace Grade Titanium! This 5mm wide ring features narrow beveled edges. A Polish finish gives this ring the perfect finishing touch! This rings quality is unmatched! We have a satisfaction guarantee so be sure to get the details from one of our friendly customer service representatives. Sizes Available: Free Sizing 4-17!
Product feature: Titanium Ring, Aerospace Grade Titanium, Free Sizing 4-17 including half and quarter sizes, Deluxe Comfort Fit, USA Made, Shipping Information: View shipping rates and policies, ASIN: B07CSJVB49, Date first listed on Amazon: March 27, 2014, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Unknown
Target attributes: Silhouette
Answer: attribute: silhouette
value: band
source: product description