Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Easy Spirit Women's Attila Mary Jane
Product description: Dive deep into luxury with the Nine West Promised sandals. These sandals feature thin leather straps decorated with a gorgeous chain on the vamp. The ridged outsole offers lasting, comfortable traction., Easy Spirit's Attila mary jane is about as practical as its gets. The shoe's fabric collar and padded linings keep you cushioned and comfortable the whole day through, while dual hook-and-loop straps help you get ready in a flash. You'll also love its metallic overlays for a subtle hint of glamour.
Product feature: 100% Leather and textile, Rubber sole, Heel measures approximately 1", Platform measures approximately 3/4", Dive deep into luxury with the Nine West Promised sandals. These sandals feature thin leather straps decorated with a gorgeous chain on the vamp. The ridged outsole offers lasting, comfortable traction., Product Dimensions: 5 x 5 x 0.7 inches, Shipping Weight: 12 ounces ( View shipping rates and policies ), ASIN: B002Z7F4BQ, Item model number: ESATTILA, Date first listed on Amazon: January 19, 2010, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.5 out of 5 stars 8 customer reviews
Product price: $19.00 - $37.59
Target attributes: Silhouette
Answer: attribute: silhouette
value: mary jane
source: product description
attribute: silhouette
value: mary jane
source: product title