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: Sport-Tek Men's Comfort Side Pocket Performance Short_True Navy
Product description: A performance-ready short built for the gym and beyond. PosiCharge technology ensures optimal printability. 5.3-ounce 100% Cationic polyester flat back mesh Elastic waistband with continuous loop drawcord Side pockets and back hip pocket with dyed-to-match button 9-inch inseam
Product feature: Elastic waistband with continuous loop drawcord, 5.3-ounce, 100% cationic polyester flat back mesh, Side pockets and back hip pocket with dyed-to-match button, Sport-Tek, 9-inch inseam, Shipping Information: View shipping rates and policies, ASIN: B0727MLCVK, Date first listed on Amazon: April 23, 2017, Average Customer Review: 3.7 out of 5 stars 11 customer reviews
Product price: $15.11 - $24.24
Product brand: Sport-Tek
Target attributes: Active Style
Answer: attribute: active style
value: None
source: None