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: Men's Satin Boxer Shorts Combo Pack, Set of 3, Up2date Fashion Style-MSC01B
Product description: These satin boxer shorts is made from good quality fabric. Each short combo is packed individually and you will receive three shorts as shown in the images. Due to its comfortable seem and stretched elastic band you can wear this short all day long around the house. Please contact us if you have any questions or concerns. Customer satisfaction is our top priority.
Product feature: Satin, Regular machine washable, Streched waist band for extra comfort around waist, Luxurious light weight fabric with silky feel, Easy to wash and dry with one button fly. Very comfotable length & inseam for comfortable night sleep, Medium(waist 30-32), Large(waist 34-36), X-Large(waist 38-40), 2X(waist 42-44), Pack of three boxers shorts combo as shown in the image. Check out our listings for other shorts combo as well, Product Dimensions: 12 x 10 x 0.5 inches, Shipping Weight: 9 ounces ( View shipping rates and policies ), ASIN: B00I1HJ7R6, Date first listed on Amazon: January 25, 2014, Average Customer Review: 3.5 out of 5 stars 89 customer reviews
Product price: $14.99
Product brand: Up2date Fashion
Target attributes: Silhouette
Answer: attribute: silhouette
value: boxer shorts
source: product description
attribute: silhouette
value: boxers shorts
source: product feature
attribute: silhouette
value: boxer shorts
source: product title