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

Input:
Product title: FOSSIL Berkley Oversized Aviator Color: Artisan's Gold Sunglasses
Product description: Keep the sun out of your eyes with our Berkley aviators. With oversized lenses in a metal frame, these classic sunglasses are a must-have.Comes With Fossil Shade Case
Product feature: metal frame, ASIN: B007EAVD8C, Item model number: MS4066706, Date first listed on Amazon: February 27, 2012, Average Customer Review: 1.0 out of 5 stars 1 customer review
Target attributes: Silhouette
Answer: attribute: silhouette
value: aviator
source: product title
attribute: silhouette
value: aviators
source: product description