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: 2UW2785 - Philips 40PFL4909 40quot; 1080p LED-LCD TV - 16:9 - HDTV 1080p
Product description: Smart TV Performance and connectivity at a great value Wireless connectivity and 120 PMR performance in this LED LCD TV. Entertainment with NetFlix, YouTube, Vudu, Pandora, Facebook, and more. Connect wirelessly to explore unlimited internet access on your TV with WirelessConnect
Product feature: Horizontal_Viewing_Angle - 178, Vertical_Viewing_Angle - 178, Scan_Format - 1080p, Standard_Refresh_Rate - 60 Hz
Product brand: Philips
Target attributes: Sony Technology Line
Answer: attribute: sony technology line
value: None
source: None