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: Maternal America Women's Maternity Convertible Strapless Dress Skirt
Product description: Stretch cotton jersey convertible dress can be worn as a strapless dress or maxi skirt for two distinct looks
Product feature: 96% Rayon/4% Spandex, Hand Wash, A spring , summer wardrobe must-have with slight ruching at waistband or bust line side seams, Combined with tiered panels that flow through a relaxed, fit skirt, Package Dimensions: 9.9 x 9.4 x 1.6 inches, Shipping Weight: 1.05 pounds, ASIN: B0059AWQG2, Item model number: D071A, Date first listed on Amazon: April 10, 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: 3.5 out of 5 stars 3 customer reviews
Product brand: Maternal America
Target attributes: Neckline
Answer: attribute: neckline
value: strapless
source: product description
attribute: neckline
value: strapless
source: product title