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: apop nyc 925 Silver Chevron Arrow Band Ring Adjustable (Size 4 - 9)
Product description: goldtone arrow ring, made of 925 sterling silver. goldtone arrow wrap ring is slightly adjustable. half size, size up.
Product feature: Arrow Motif, made of sterling silver, goldtone finish., Solid Band; Adjustable, Eco-Presentation by apop nyc (Jewelry Pouch), Shipping Weight: 0.96 ounces ( View shipping rates and policies ), ASIN: B00DHSL90W, Item model number: 73-33D9-PDKP, Date first listed on Amazon: June 19, 2013, Average Customer Review: 4.1 out of 5 stars 3 customer reviews
Product price: $22.99
Target attributes: Silhouette
Answer: attribute: silhouette
value: band
source: product feature
attribute: silhouette
value: band
source: product title