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: Anne Klein Women's Short-Sleeve Cowl-Neck Sheath Dress
Product feature: 100% Polyester, Imported, Dry Clean Only, Elbow-sleeve sheath dress with cowl neckline and concealed back zipper, Center-back vent, Product Dimensions: 14.2 x 11.9 x 3.2 inches, Shipping Weight: 15.2 ounces, ASIN: B00MW2U6XU, Item model number: 10540830, Date first listed on Amazon: April 8, 2015, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 8 customer reviews
Target attributes: Length
Answer: attribute: length
value: short-sleeve cowl-neck sheath dress
source: product title