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

Input:
Product title: Vans Old Skool Unisex Adults' Low-Top Trainers
Product description: Old Skool lives on! A skate classic from Vans, the Old Skool represents timeless skate style with durability that keeps on giving. Features a synthetic upper, signature side stripe, and padded tongue and collar for comfort and protection..
Product feature: 100% Canvas, Imported, Rubber sole, Represents timeless skate style, Die cut EVA insert for added support, Signature waffle outsole for enhanced board feel, Product Dimensions: 5 x 5 x 0.7 inches, Shipping Weight: 2.09 pounds ( View shipping rates and policies ), ASIN: B0777TTJS1, Item model number: Old Skool, Date first listed on Amazon: August 29, 2009, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.4 out of 5 stars 729 customer reviews
Product price: $45.00 - $500.00
Product brand: Vans
Target attributes: Style
Answer: attribute: style
value: vans
source: product title
attribute: style
value: vans
source: product description
attribute: style
value: vans
source: product brand