Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: New Balance Women's WW811 Lace-up Walking Shoe
Product description: New Balance is dedicated to helping athletes achieve their goals. It's been their mission for more than a century to focus on research and development. It's why they don't design products to fit an image. They design them to fit. New Balance is driven to make the finest shoes for the same reason athletes lace them up: to achieve the very best., Take each step with an enhanced sense of security thanks to a stability rollbar that minimizes rearfoot movement, lessening the chance of the foot rolling too much inward or outward. Stay active, stay steady on your feet, and stay on the move!
Product feature: 100% Synthetic, Single-density PU midsole, TPU outsole with WALKING STRIKE PATH, Graphite Rollbar for stability
Product price: $69.99 - $105.00
Product brand: New Balance
Target attributes: Type
Answer: attribute: type
value: shoes
source: product description
attribute: type
value: shoe
source: product title