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: Nike Men's Free RN Motion FK 2017, TOUGH RED/PORT WINE, 6 M US
Product description: Nike Men's Free RN Motion FK 2017, TOUGH RED/PORT WINE, 6 M US
Product feature: Model Number: 880845601, Gender: mens, Color: TOUGH RED/PORT WINE, Made In: Vietnam, Brand New With Original Box, Package Dimensions: 13 x 8.3 x 4.6 inches, Shipping Weight: 1.5 pounds, ASIN: B00946VQF4, Item model number: 880845-601, Date first listed on Amazon: April 2, 2018, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None