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: US Polo Association Big Girls' Stripe Tank Dress
Product feature: 100% Cotton, Imported, Machine Wash, Kangaroo front pocket, Functional drawstring waist, Pearlized buttons with USPA 1890 embossed, Pony embroidery on left chest, Package Dimensions: 8.2 x 6.8 x 2.2 inches, Shipping Weight: 1.6 ounces, ASIN: B00E837AYO, Date first listed on Amazon: May 9, 2014, 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: 5.0 out of 5 stars 2 customer reviews
Product brand: U.S. Polo Assn.
Target attributes: Shoulder Style
Answer: attribute: shoulder style
value: None
source: None