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

Input:
Product title: Franco Sarto Women's Patty Pump
Product description: The Patty is a high-heeled open-toe pump on a platform sole., A leaf and flower ornament details this pretty slingback sandal. The Ambush sandal from LifeStride features classic lines that flow from its tapered toe to its slingback strap and dress heel. It puts a beautiful finish on a feminine outfit.
Product feature: 100% Leather, Imported, Synthetic sole, Heel measures approximately 3.25", Platform measures approximately 0.75", Heel Height: 3 1/4", Front Height: 1/2", Fit: True to Size, Upper: Leather, Package Dimensions: 12 x 8 x 4 inches, Shipping Weight: 2 pounds ( View shipping rates and policies ), ASIN: B0015MQMFY, Item model number: PATTY, Date first listed on Amazon: April 30, 2008, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.2 out of 5 stars 40 customer reviews
Product price: $34.99 - $59.99
Product brand: Franco Sarto
Target attributes: Silhouette
Answer: attribute: silhouette
value: pump
source: product title
attribute: silhouette
value: pump
source: product description