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: NY Collection Women's Plus Size Printed Short Flutter Sleeve V Neck Maxi Dres with Smocking at Center Front Waist
Product description: Printed short flutter sleeve V-neck maxi dress with smocking at center front waist
Product feature: 100% Polyester, Imported, Machine Wash, Printed short flutter sleeve V-neck maxi dress with smocking at center front waist, Great for the work place and every day wear, Package Dimensions: 1 x 1 x 1 inches, Shipping Weight: 1 pounds ( View shipping rates and policies ), ASIN: B01F8SVB9M, Item model number: ZCCD0183, Date first listed on Amazon: July 27, 2016, Average Customer Review: 4.4 out of 5 stars 2 customer reviews
Product price: $37.86 - $39.77
Product brand: NY Collection
Target attributes: Length
Answer: attribute: length
value: maxi
source: product feature
attribute: length
value: maxi
source: product title
attribute: length
value: maxi dress
source: product description