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

Input:
Product title: Bugatchi Men39;s Paradise Stripe Button Down Shirt
Product description: An eye-catching pattern defines this fun colored button down shirt by Bugatchi. This bold long sleeve sport shirt features a spread collar and a vibrant stripe pattern that will add a pop of color and style into your wardrobe.
Product feature: 100% cotton, 100% cotton, Shaped fit, ASIN: B00S1P0UHO, Date first listed on Amazon: January 9, 2015, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Fastening Style
Answer: attribute: fastening style
value: button down
source: product description
attribute: fastening style
value: button down
source: product title