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: Milwaukee Men's Utility Pocket Motorcycle Leather Jacket (Retro Brown, Small)
Product description: Men's Retro Brown Utility Pocket Motorcycle Jacket.
Product feature: Premium Retro Brown Leather 1.2 - 1.3mm with Full Sleeve Zip Out Thermal Liner, Dual Front Side Utility Storage Pockets, Two Lower Pockets as well for Maximum Storage, Dual Front and Back 17" Vents for Maximum Airflow, Front Vents Built into Storage Pocket, Buckled Side Tabs for Extra Adjustment on Waist, Built in Dual Side Concealed Weapon and Ammo Pocket
Product price: $199.99
Product brand: Milwaukee
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None