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

Input:
Product title: Principle Plastics-Sloggers Womens
Product description: Sloggers 301bl10 size 10 blue women's ultra light slogger clog
Product feature: rubber, Meet Sloggys, the newest addition to the Sloggers family, Ultra lightweight, our new air-cooled clogs are made of durable high quality EVA material for a springy lightweight bounce, Not just another, you know who look alike, these are designed to fit better and last longer, They have all of the Sloggers quality and style, Blue, Product Dimensions: 10 x 8 x 8 inches, Shipping Weight: 8 ounces, ASIN: B0013B0IYI, Item model number: 301BL10, Date first listed on Amazon: May 3, 2006, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.1 out of 5 stars 183 customer reviews
Target attributes: Silhouette
Answer: attribute: silhouette
value: clog
source: product description
attribute: silhouette
value: clogs
source: product feature