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: Deb Junior Plus Size High Low Prom Dress with Double Stone Strap
Product description: Ready to shine? A dress like this will not disappoint! This one shoulder dress features a gorgeous double strap with rhinestone trim, a ruched and spliced bodice with stone insets, and a high low skirt. Wear it with silver pumps and chandelier earrings to complete this red carpet look. Model is 5'11.
Product feature: Length: front: 39"; back 49", Fiber: Polyester, Care Instructions: Spot Clean, Shipping Weight: 1 pounds, ASIN: B00J9VQE3I, Item model number: 400004407339, Date first listed on Amazon: March 26, 2014, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product brand: DEB
Target attributes: Shoulder Style
Answer: attribute: shoulder style
value: one shoulder
source: product description