Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: LeDonne Distressed Leather Flap Over Computer Brief, Choc
Product description: This LeDonne distressed leather briefcase is stylish yet casual, you'll feel comfortable wearing this laptop bag to the office or just around town. Travel a lot for business? This durable laptop briefcase has plenty of room for all your essentials plus your laptop. Features: Colombian distressed leather handcrafted front organizer compartment under flap for cell phone/PDA, pens, business cards main compartment padded computer sleeve open rear pocket with interior zipper pocket rear zipper pocket adjustable and removable strap with pad size: 17 x 13 x 8 laptop sleeve dim: 13" x 12" x 3.5" weight: 3.5 lbs. with one year manufacturer warranty.
Product feature: Product description this LeDonne distressed leather briefcase is stylish yet casual, Front organizer compartment under flap for cell phone/PDA, pens, business cards, Padded computer sleeve with open rear pocket and with interior zipper pocket, Rear zipper pocket with adjustable and removable strap with pad, Size: 17 x 13 x 8 and laptop sleeve dim: 13" x 12" x 3.5"
Product price: $15.22
Product brand: LeDonne
Target attributes: Material
Answer: attribute: material
value: leather
source: product description
attribute: material
value: leather
source: product title
attribute: material
value: leather
source: product feature