Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Bedford Fair Women's Petite Pen Pocket Capris
Product description: Easy wearing and always in style, it's a pull on capri with an elasticized waist, scoop pockets, rivet details and pen pocket.
Product feature: ASIN: B00NLHBN8C, Item model number: 3061675, Average Customer Review: 5.0 out of 5 stars 2 customer reviews
Product brand: Bedford Fair
Target attributes: Length
Answer: attribute: length
value: capris
source: product title