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: Calvin Klein Women's Side Ruffle Dress
Product feature: 95% Polyester/5% Spandex, Dry Clean Only, Ruffle, Sheath, Product Dimensions: 14 x 10 x 2 inches, Shipping Weight: 13.6 ounces, ASIN: B007RBHNFA, Item model number: CD2A1TKN, Date first listed on Amazon: November 1, 2012, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.7 out of 5 stars 4 customer reviews
Target attributes: Shoulder Style
Answer: attribute: shoulder style
value: None
source: None