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: Bioworld DC Comics Wonder Woman Juniors Underoos Tank Set
Product feature: Cotton Blend, Original Underoos Underwear Set, TOP: 100% Cotton; BOTTOM: 95% Cotton/ 5% Spandex, Officially Licensed, Soft Stretch Fabric, Original Underoos, Package Dimensions: 11.9 x 9 x 1 inches, Shipping Weight: 7.2 ounces, ASIN: B00YK10GAO, Date first listed on Amazon: May 31, 2015, Average Customer Review: 4.7 out of 5 stars 8 customer reviews
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None