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

Input:
Product title: aNNE MARIE Soho-33 Women's Open Toe Slingback Ankle Strap Wedge Heel PU Sandals
Product description: Single band open toe slingback wedge sandals
Product feature: PU, open toe, slingback, buckled ankle strap, Good for beach, wedge heels, Shipping Information: View shipping rates and policies, ASIN: B00YO2TBLY, Date first listed on Amazon: June 1, 2015, Average Customer Review: 1.5 out of 5 stars 2 customer reviews
Product price: $14.99 - $23.99
Product brand: aNNE MARIE
Target attributes: Heel Style
Answer: attribute: heel style
value: wedge heels
source: product feature
attribute: heel style
value: wedge
source: product description
attribute: heel style
value: wedge heel
source: product title