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: Simplicity Spaghetti Strap Stretchy Black & White Striped Maxi Dress
Product description: This comfy summer dress was designed in soft, lightweight, and stretchy fibers. Designed with a black & white striped pattern and black contrast neckline. It also features a crisscross back detail with keyhole accent. Slim, stretchy fit flatters curves. Materials: 44% Polyester, 52% Rayon, 4% Spandex Size: S, M, L, XL, 2XL, 3XL Size S: Chest: 28.0", Waist: 26.0", Hem: 28", Length: 53" Size M: Chest: 30.0", Waist: 28.0", Hem: 29", Length: 53" Size L: Chest: 32.0", Waist: 30.5", Hem: 31", Length: 55" Size XL: Chest: 35.5", Waist: 33.5", Hem: 33", Length: 54" Size 2XL: Chest: 37.0", Waist: 35.0", Hem: 34", Length: 55" Size 3XL: Chest: 38.0", Waist: 35.0", Hem: 34", Length: 55" Color: Black and White Stripes Package Includes: 1 x Dress
Product feature: Made in USA, Long ankle length dress, Scoop neckline; Spaghetti straps, Crisscross strapped back & keyhole accent, Ultra-comfortable, slim fit, curve flattering dress; Please see below Product Description for sizing information, Shipping Weight: 1 pounds ( View shipping rates and policies ), ASIN: B07BJ9M9PK, Item model number: GP14030269, Date first listed on Amazon: April 11, 2014, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $16.99 - $19.99
Target attributes: Shoulder Style
Answer: attribute: shoulder style
value: None
source: None