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: 6104 - Modern Bonded Leather Sectional Sofa
Product description: Color: Other Dimensions: 3 Seater: W80" x D37" x H34"2 Seater: W59" x D37" x H34"Chaise: W87" x D54" x H34" Manufacturer: Modern Furniture by VIG
Product feature: SPECIAL ORDER ITEM ONLY: TAKES 12 TO 16 WEEKS FOR PRODUCTION, Divani Casa Massimo - Contemporary Bonded Leather Sectional Sofa With Light, Bonded leather upholstery where body touches PVC Color matched upholstery where your body does not touch, May be ordered in different Grades and Colors of Leather / Contact Toscana at 888-660-2851 for pricing and details, SWATCH LINK: http://www.vigfurniture.com/swatches/VGEV-color-sample.html
Product price: $259.99
Product brand: VIG
Target attributes: Material
Answer: attribute: material
value: bonded leather
source: product title
attribute: material
value: leather
source: product feature