Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Nicole Miller Women's Roxy Lurex Leopard Jacquard Dress
Product description: This sweetheart dress features a lurex leopard print brings a modern edge to this piece. Midi length. Sweetheart neckline.
Product feature: 71% Polyester/29% Acetate, Made in US, Dry Clean Only, Nicole miller collection, Midi length, Lurex leopard, Package Dimensions: 19.4 x 8.1 x 2.2 inches, Shipping Weight: 10.4 ounces, ASIN: B00VBS48M6, Item model number: CC10044, Date first listed on Amazon: May 18, 2015, Average Customer Review: 3.0 out of 5 stars 1 customer review
Target attributes: Neckline
Answer: attribute: neckline
value: sweetheart
source: product description
attribute: neckline
value: sweetheart neckline
source: product description