Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Pantech CDM 8950 3g Flip Phone with GPS Bluetooth Video for Verizon Wireless
Product description: The Pantech CDM -8950 is a clamshell music phone that supports V Cast Music with Rhapsody. This sleek and lightweight phone has a resolution of 176x220 pixels with an internal memory of 13MB that is still expandable. In addition, CDM-8950 is also equipped with 1.3MP camera and Bluetooth convenient for file transfers.
Product feature: * CDM 8950 Handset, * Battery, * Battery Cover, * User Guide, * QRG (Quick Reference Guide)
Product brand: Pantech
Target attributes: Lens Quantity
Answer: attribute: lens quantity
value: None
source: None