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: Boulet Men's Fancy Stitched Cowboy Boot Pointed Toe
Product description: Boulet Size ChartWomen: C = Medium, D = WideMen: E = Medium, EEE = WideCreated in 1933, Boulet Boots began making their mark on cowboy boot history with attention to stylish designs, a comfortable fit, and quality products. With a rich Canadian history, extending into army footwear production during WWII, Boulet Boots maintain a tradition of excellence with each generation of the Boulet family at the helm. A long history crafting boots, attention to customer needs, and a wide variety of cowboy boot styles makes Boulet boots some of the best around This Boulet cowboy boot features full grain leather construction. Boot boasts a genuine smooth leather foot under a fancy stitched 13" leather shaft. Single stitched welt. Leather lined. Cowboy heel and pointed toe profile. Imported from Canada.
Product feature: Leather, Import, Genuine Leather Construction, Fancy stitching adorns shaft, Updated pointed toe profile, Shipping Information: View shipping rates and policies, ASIN: B07C1J3FGX, Date first listed on Amazon: March 13, 2014, Average Customer Review: 4.0 out of 5 stars 2 customer reviews
Product price: $230.98 - $281.00
Product brand: Boulet
Target attributes: Boot Style
Answer: attribute: boot style
value: cowboy
source: product description
attribute: boot style
value: cowboy
source: product title