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: Ben Sherman Men's Flannel Trouser
Product description: Ben Sherman flannel lined casual trouser in slim fit with slant pockets
Product feature: 80% Wool, 20% Viscose, Imported, Dry Clean Only, Flannel lined, Slim fit, Package Dimensions: 12.4 x 7.1 x 2.3 inches, Shipping Weight: 1.1 pounds, ASIN: B015U8WCXO, Item model number: MG11838, Date first listed on Amazon: November 25, 2015, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Rise
Answer: attribute: rise
value: None
source: None