Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Spring Step Womens Gerrilee
Product description: Stride through the landscape in the European style and comfort of the Spring Step Gerrilee sandal. Crafted from premium leather, this women's walking sandal is lined in soft leather and has a premium leather upper with two hook-and-loop straps to ensure a snug, custom fit. - Leather lining - Approx. 2 heel height - Leather-covered, cushioned footbed - Polyurethane sole - Premium leather upper - Two adjustable straps with hook-and-loop closures - Polyurethane sole - New: In Original Box
Product feature: leather, leather sole, Leather upper, Polyurethane outsole, Leather, GERRILEE-B-36 BLACK, GERRILEE-BR-36 BROWN, GERRILEE-R-37 RED, Shipping Weight: 2 pounds, ASIN: B00B5H984Q, Date first listed on Amazon: January 21, 2013, Average Customer Review: 3.5 out of 5 stars 2 customer reviews
Product brand: Spring Step
Target attributes: Athletic Shoe Style
Answer: attribute: athletic shoe style
value: walking
source: product description