Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Michael Kors Shala Ballet Gold Leather Flat Women Size 10 M
Product description: Make a splash with these cute flats! Easy slip-on wear. Metallic leather and fabric upper. Leather lining. Lightly cushioned leather footbed. Man-made sole. Heel Height: 14 in Weight: 4 oz
Product feature: Imported, Synthetic sole, Metallic leather and fabric upper., Leather lining. Lightly cushioned leather footbed., Man-made sole., Heel Height: 14 in, Weight: 4 oz, Package Dimensions: 12.1 x 5.7 x 4.2 inches, Shipping Weight: 10.4 ounces ( View shipping rates and policies ), ASIN: B00C40V8W8, Item model number: 40F3SHFP1D-GOLD, Date first listed on Amazon: April 9, 2014, Average Customer Review: 4.5 out of 5 stars 2 customer reviews
Product price: $109.98
Product brand: Michael Kors
Target attributes: Silhouette
Answer: attribute: silhouette
value: ballet
source: product title
attribute: silhouette
value: flats
source: product description