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: Red Carpet Strapless Chiffon Bridesmaid Dress Bridal Gown
Product description: Elegant construction and beautiful prongset crystals on this chic red carpet gown. Fully lined, lace-up cordet panel in back. Bust is slightly padded, built-in bra, optional straps and scarf included. Junior and Jr. Plus sizes Small-3X.
Product feature: 100% Polyester, Please refer to the PacificPlex Missy Formal Size Chart for this item, Sweetheart neckline, Gathered Bust, Top Choice in long bridesmaid dresses, Prong set crystal detail at waist, Fully lined, slightly padded bust, lace up corset panel, Package Dimensions: 11.5 x 10.3 x 1.1 inches, Shipping Weight: 1.6 pounds, ASIN: B00GW8KK0E, Item model number: ADH-108703, Date first listed on Amazon: November 14, 2013, Average Customer Review: 3.4 out of 5 stars 4 customer reviews
Product brand: PacificPlex
Target attributes: Shoulder Style
Answer: attribute: shoulder style
value: None
source: None