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: Halston Heritage Women's Pleated V-Neck Evening Dress with Self Belt
Product feature: 100% Polyester Chiffon, Dry clean, 1 inch self belt, Gown, Package Dimensions: 18.1 x 16.2 x 3.9 inches, Shipping Weight: 1.7 pounds, ASIN: B006O55KD2, Item model number: YRS21CH180, Date first listed on Amazon: February 17, 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: 5.0 out of 5 stars 1 customer review
Target attributes: Neckline
Answer: attribute: neckline
value: v-neck
source: product title