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: 2016 ASUS 15.6" Full HD Flagship High Performance Gaming Laptop, Intel Core i5-6200U Processor, 8GB RAM, 1TB HDD, NVIDIA GeForce 940M, DVD+/-RW, Webcam, HDMI, WIFI, Bluetooth, Windows 10
Product description: ASUS 15.6" Full HD Flagship High Performance Gaming Laptop, Intel Core i5-6200U Processor, 8GB RAM, 1TB HDD,
Product feature: Intel Core i5 6200U Dual-Core Processor, 8 GB(2x 4GB) DDR3L Memory,, Windows 10 Home
Product brand: Asus
Target attributes: Refresh Rate
Answer: attribute: refresh rate
value: None
source: None