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: Executive Imperials Men's Wingtip Dress Oxford
Product description: *A prime testimony of our commitment to quality *Full grain leather upper *Soft leather quarter lining *Velvet-eez® air cushioned innersole *Oak-tanned leather sole *Miracle Tread® rubber heel *Padded tongue *Goodyear welt construction
Product feature: Leather, Leather sole, A prime testimony of our commitment to quality, Full grain leather upper, Soft leather quarter lining, Velvet-eez® air cushioned innersole, Oak-tanned leather sole, Shipping Information: View shipping rates and policies, ASIN: B07J2P48K6, Date first listed on Amazon: February 28, 2007, Average Customer Review: 4.4 out of 5 stars 4 customer reviews
Product price: $147.95
Product brand: Executive Imperials
Target attributes: Silhouette
Answer: attribute: silhouette
value: oxford
source: product title
attribute: silhouette
value: wingtip
source: product title