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: Animal Slippers for Women - Ultra Plush Shea Butter Infused Slippers, Warm and Soft, One Size (Multiple Designs) (Off White Owl)
Product description: Pamper yourself with this adorable ultra plush shea butter infused animal slippers. Your feet will feel soft and silky from the shea butter infusion perfect for the cold & dry winter months! Your feet will thank you plus there's no denying the animal design is adorable!
Product feature: Animals slippers infused with Shea Butter ( 1 pair ) - Comes with a gifting card, One size fits most, 100 % Polyester, Machin wash in warm water, Anti-Slip, Package Dimensions: 21.5 x 10.8 x 3 inches, Shipping Weight: 4.3 ounces, ASIN: B0173OBCQ6, Date first listed on Amazon: October 24, 2015, Average Customer Review: 4.4 out of 5 stars 2 customer reviews
Product brand: MinxNY
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None