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: Metal Collections Black Tungsten Carbide Men's Link Bracelet (Length 6" - 10.5")
Product description: This tungsten bracelet is becoming one of the most popular bracelet style. 10MM in width. The metal is extremely scratch resistant. Perfect accessory for people with active lifestyle.
Product feature: Tungsten carbide, Nickel Binder, Shipping Weight: 3.04 ounces, ASIN: B002VU0PUM, Date first listed on Amazon: November 6, 2009, Average Customer Review: 3.6 out of 5 stars 8 customer reviews
Product brand: Metal Collections
Target attributes: Silhouette
Answer: attribute: silhouette
value: link bracelet
source: product title