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: Unionbay Big Boys' Short Sleeve Seby Pique Polo
Product description: Short sleeve seby yarn dye pique polo
Product feature: 100% cotton yarn dye pique, Machine Wash, 3 button placket, Short sleeve, All over stripe, Package Dimensions: 11.3 x 5.2 x 1.1 inches, Shipping Weight: 4 ounces, ASIN: B005DVSNFA, Item model number: B31485R, Date first listed on Amazon: October 10, 2011, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Neckline
Answer: attribute: neckline
value: pique polo
source: product description
attribute: neckline
value: pique polo
source: product title
attribute: neckline
value: polo
source: product description