Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: RIM BlackBerry Curve 2 8530, Dark Purple (Sprint) CDMA - No Contract Required
Product description: This device has been extensively tested, is fully functional, and ready for activation.
Product feature: This product has been carefully audited and is certified to be 100% functional., This offer includes the following accessories 1. Battery 2. Battery Cover (if applicable) 3. Wall Charger
Product brand: BlackBerry
Target attributes: Broadband Generation
Answer: attribute: broadband generation
value: None
source: None