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: FORTRIC Women 3/4 Sleeve Ruched Waist Classy V-Neck Casual Cocktail Dress Blue M
Product description: Fortric Women 3/4 Sleeve Ruched Waist Classy V-Neck Casual Cocktail Dress Wear to work, cocktail, Party, Wedding and other occasions. Size chart: 1cm=0.3937inch S US4/6 Bust/80-84cm Shoulder/35cm Waist/66cm Length/105cm Sleeves/26cm M US/8 Bust/84-88cm Shoulder/36.5cm Waist/70cm Length/105cm Sleeves/26cm L US/10 Bust/90-96cm Shoulder/38cm Waist/76cm Length/107cm Sleeves/27cm XL US/12-14 Bust/98-106cm Shoulder/40cm Waist/84cm Length/107cm Sleeves/27cm XXL US/16-18 Bust/108-115cm Shoulder/42cm Waist/94cm Length/109cm Sleeves/28cm Pls refer to this size chart befor you choose our dresses. Thanks, The color of images might be a little bit different from the actural products you may receive. That's because there are some differenes of computer screen pixels.
Product feature: Imported, 95% polyester, 5% Spandex, Midi Sleeve dress,Knee Length, Vintage Slim Cutting,Mother's Day Gift, Hand washing Only,And Temperature Below 68H, Suit for Evening Occasion,Party,Office,Club, Package Dimensions: 12.4 x 8.1 x 2.5 inches, Shipping Weight: 11.2 ounces, ASIN: B011OET61O, Item model number: F20001_LAN_M, Date first listed on Amazon: September 15, 2015, Average Customer Review: 4.3 out of 5 stars 8 customer reviews
Product brand: FORTRIC
Target attributes: Neckline
Answer: attribute: neckline
value: v-neck
source: product title
attribute: neckline
value: v-neck
source: product description