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: Gears Of War 3 T-Shirt 2XL
Product description: This limited-edition Gears of War 3 T-shirt features the unique Crimson Omen logo created by legendary street artist OG Slick, whose graffiti art appears in the highly-anticipated game. Exclusively available at Hot Topic!
Product feature: 100% cotton, Wash warm; dry low, Imported, Listed in men's sizes, ASIN: B0055B5JQ4, Date first listed on Amazon: June 7, 2011, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: None
source: None