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: Roper Kids' Fringes Western Boot
Product description: Snip toe fringe fashion boot with quality faux leather materials and a flexible bottom along with a padded insole for extra cushion. Fringe and embroidery both on the shaft of the boot.
Product feature: Man Made, Imported, Synthetic sole, Shaft measures approximately 8.25" from arch, Heel measures approximately 1.25", Platform measures approximately 0.25 inches, Boot opening measures approximately 10.5" around, Western boot, Flexible sole, Non-marking outsole, Fringe, Embroidery, Shipping Weight: 5 pounds ( View shipping rates and policies ), ASIN: B01D2PN8S0, Item model number: Fringes - K, Date first listed on Amazon: October 4, 2016, 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: 5.0 out of 5 stars 3 customer reviews
Product price: $55.99 - $62.99
Product brand: Roper
Target attributes: Boot Style
Answer: attribute: boot style
value: western boot
source: product feature
attribute: boot style
value: western
source: product title
attribute: boot style
value: roper
source: product title
attribute: boot style
value: roper
source: product brand