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: Carter's Every Step Stage 2 Bucket Early Walker Boot (Infant/Toddler), Tan Olive, 3 M US Infant
Product description: carter's Every Step Stage 2 Shoe has sensory pods at the heel and forefoot for better ground feel for babies learning how to walk. Ages 9-12 months.
Product feature: 100% Leather and textile, Imported, Synthetic sole, Designed for young children who are learning to stand, Sensory pods at heel and forefoot for better ground feel, Thin soles help protect sensitive feet, Seamless linings for everyday comfort, Wipe clean with a damp cloth, Package Dimensions: 5.9 x 5.4 x 3.6 inches, Shipping Weight: 8 ounces, ASIN: B0113ODA0I, Item model number: Bucket-BS - K, Date first listed on Amazon: August 12, 2015, Average Customer Review: 2.6 out of 5 stars 2 customer reviews
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None