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

Input:
Product title: Threads 4 Thought Men's Slim-Fit Plaid Long-Sleeve Button-Front Shirt
Product description: Long sleeved button front shirt in blue and grey plaid pattern. Threads for Thought garments are completely sustainable, made from organic and recycled materials. A portion of all proceeds go to support the International Rescue committee (www.rescue.org) and the Natural Resources Defense Council (www.nrdc.org) to support the excellent work that they do in the areas of humanitarian and environmental response. Enjoy your Threads and wear them with pride
Product feature: 100% Cotton, Imported, Dry Clean Only, Plaid button-front slim-fit shirt with button-through patch pockets at chest, Spread collar, Shirttail hem, You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition., Read the full returns policy, Go to Your Orders to start the return, Print the return shipping label, Ship it!, Package Dimensions: 1 x 1 x 1 inches, Shipping Weight: 1 pounds ( View shipping rates and policies ), ASIN: B00NOI47VS, Item model number: TM03117, Date first listed on Amazon: December 24, 2014, Average Customer Review: 2.7 out of 5 stars 3 customer reviews
Product price: $29.95
Target attributes: Fastening Style
Answer: attribute: fastening style
value: button front
source: product description
attribute: fastening style
value: button-front
source: product feature
attribute: fastening style
value: button-front
source: product title