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: Wrangler Men's Tall Western Jean Long Sleeve Two Button Pocket Shirt
Product description: For nearly 70 years, Wrangler has staked its claim as a global leader in jeanswear, casual apparel and fashion-forward westerninspiredattire. Built upon the nostalgic undercurrent of Americana heritage, the brand celebrates a rich legacy of authentic products consumers crave.Wrangler continues to preserve their American legacy while continuously developing innovative products that harnesstraditional roots, while expanding on its mainstream appeal as a fashion-forward label. Wrangler will prepare you for whatever the day may hold. So go ahead, be bold. Be adventurous.Be comfortable in your own jeans.
Product feature: 100% Cotton, Imported, Machine Wash, Long sleeve, Spread collar, Western front and back yokes, Two saw tooth snap flap pockets, W embroidery on left pocket, Package Dimensions: 1 x 1 x 1 inches, Shipping Weight: 1 pounds, ASIN: B00QGPC95W, Item model number: MV1T, Date first listed on Amazon: February 5, 2015, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.5 out of 5 stars 2 customer reviews
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: long sleeve
source: product title
attribute: sleeve style
value: long sleeve
source: product feature