Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Perry Ellis Men's Vault Oxford
Product feature: 100% Leather/Manmade, Imported, Synthetic sole, Leather or polyurethane upper, Leather overlays, Rubber traction outsole, Cushioned insole, Low profile, Package Dimensions: 13.3 x 7.9 x 4.6 inches, Shipping Weight: 2.2 pounds, ASIN: B00K7SEP92, Item model number: Vault, Date first listed on Amazon: July 3, 2014, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 3 customer reviews
Product brand: Perry Ellis
Target attributes: Silhouette
Answer: attribute: silhouette
value: oxford
source: product title