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: Perky-Pet 112SCAN Deluxe Seed Silo Wild Bird Feeder with Tray
Product description: This classy bird feeder with its handy seed tray will give you hours of bird watching pleasure while keeping the ground clean. The Perky-Pet Deluxe Seed Silo with Tray has 4 rust proof feeding ports with perches for resistance to inclement weather. Besides the metal ports, it also boasts a metal cap and a seed tray. This sturdy, innovative feeder holds 2 lbs. of seed. Remember to clean your finch feeder once every two weeks with a mild soap and water solution.
Product feature: 2 lb. seed capacity, 4 rust proof feeding ports with perches, Metal cap and ports, Includes seed tray for keeping seeds from falling on the ground
Product brand: Perky-Pet
Target attributes: Style
Answer: attribute: style
value: None
source: None