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: Donna Morgan Women's Alanna Dress
Product description: V-neck ruched top with triple banding at waist, hi-lo skirt hem
Product feature: 100% Polyester, Imported, Dry Clean Only, V-neck, Hi-lo hem, Package Dimensions: 12.3 x 7.6 x 2.3 inches, Shipping Weight: 1 pounds, ASIN: B00AKB44K6, Item model number: D0868M, Date first listed on Amazon: February 27, 2013, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.5 out of 5 stars 2 customer reviews
Target attributes: Neckline
Answer: attribute: neckline
value: v-neck
source: product description
attribute: neckline
value: v-neck
source: product feature