Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Pastel by Vivienne Women's Solid Jersey Knit Pencil Skirt 3X-Large Red
Product feature: Package Dimensions: 9.9 x 9.5 x 1.7 inches, Shipping Weight: 7.2 ounces, ASIN: B0172LCQG0, Item model number: S170SDREXXXL, Date first listed on Amazon: May 6, 2017, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Pastel by Vivienne
Target attributes: Length
Answer: attribute: length
value: pencil
source: product title