Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Foxcroft Women's 3/4 Sleeve Indigo Geo Print Denim Tencel Dress
Product description: Our tencel lyocell denim is a premium fabric with high quality sheen, soft hand and beautiful drape.
Product feature: 100% Tencel Lyocell, Imported, Machine Wash, 3/4 sleeve detail, Pocket details, Package Dimensions: 12.7 x 9.2 x 1.7 inches, Shipping Weight: 15.2 ounces, ASIN: B01CUVPY02, Item model number: 169238, Date first listed on Amazon: August 29, 2016, Average Customer Review: 4.5 out of 5 stars 2 customer reviews
Target attributes: Neckline
Answer: attribute: neckline
value: None
source: None