Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Cisco 7942G IP Phone
Product description: Cisco IP Phone 7942G Unified is a full-featured IP phone with speakerphone and handset designed for wideband audio. Intentionally it is designed to meet the needs of transaction-type workers with significant phone traffic.
Product feature: The Cisco Unified IP Phone 7942G is designed to grow with your organization and enhancements to your system capabilities. The dynamic feature set allows the phone to keep pace with your requirements t
Product price: $7.22
Product brand: Cisco
Target attributes: Type
Answer: attribute: type
value: ip
source: product feature
attribute: type
value: ip
source: product description
attribute: type
value: ip
source: product title