Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Dolce Vita Womens Vera
Product description: Tie up front closure. Additional zip closure at closed heel. Synthetic insole and sole.
Product feature: Leather, Heel measures approximately 0.5 inches", Package Dimensions: 12.9 x 8.3 x 4.1 inches, Shipping Weight: 1.85 pounds, ASIN: B01AW5034K, Item model number: VERA-291, Date first listed on Amazon: March 6, 2016, Average Customer Review: 1.0 out of 5 stars 1 customer review
Product brand: Dolce Vita
Target attributes: Athletic Shoe Style
Answer: attribute: athletic shoe style
value: None
source: None