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: Calvin Klein Women's Pin Tuck Sheath with Cowl Neck
Product feature: 95% Polyester/5% Spandex, Imported, Dry Clean Only, Empire-waist dress featuring cowl neckline and allover horizontal pleats, Concealed zip closure, Package Dimensions: 17.7 x 13.7 x 4.3 inches, Shipping Weight: 1.2 pounds, ASIN: B00U4BEKFQ, Item model number: CD5A1B9K, Date first listed on Amazon: April 16, 2015, Average Customer Review: 5.0 out of 5 stars 4 customer reviews
Target attributes: Length
Answer: attribute: length
value: None
source: None