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

Input:
Product title: Red Black Ladies Checkered Half Sleeve Button Placket Blouse Gathered Button Back
Product description: Red Black Woman Checkered Plaid Blouse. This button-up blouse features a large checkered plaid pattern, two front square pockets with two buttons, and a pleated center back with two buttons, Colors available in White, and Red, Approximately 23" in length, 100% Cotton.
Product feature: 100% Cotton, Button closure, Shipping Weight: 8 ounces, ASIN: B00PZ8SOZ0, Date first listed on Amazon: November 21, 2014, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Clothes Effect
Target attributes: Fastening Style
Answer: attribute: fastening style
value: button-up
source: product description