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

Input:
Product title: Nine West Womens Havaha Open Toe Casual Platform Sandals
Product description: Nine West Havaha casual navy slide wedge sandals fabric material and casual.
Product feature: fabric, Imported, Synthetic sole, Slide blue sandals, Wedge heel perfect for comfort, Easy to put on, Product Dimensions: 5 x 5 x 5 inches, Shipping Weight: 2.29 pounds, ASIN: B00HSOTYUS, Item model number: 60264244-C52, Date first listed on Amazon: January 10, 2014, Average Customer Review: 3.5 out of 5 stars 13 customer reviews
Target attributes: Style
Answer: attribute: style
value: casual
source: product title
attribute: style
value: casual
source: product description