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: Philips MX990D DVD Home Theater System
Product feature: Integrated DVD Player, 550 watts surround power output, Digital sound processing, 10 Audio input connections, 3 Digital inputs and a digital output
Product brand: Philips
Target attributes: Configuration
Answer: attribute: configuration
value: None
source: None