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 Womens Free 5.0 TR FIT 5 WC Training Shoes VOLT/WHITE-LIGHT BLUE LACQUER-BLACK
Product feature: Package Dimensions: 11.6 x 7.5 x 4.1 inches, Shipping Weight: 10.4 ounces, ASIN: B01D9IZ6T4, Item model number: 883418041632, Date first listed on Amazon: July 19, 2016, Average Customer Review: Be the first to review this item
Target attributes: Toe Style
Answer: attribute: toe style
value: None
source: None