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: Steve Silver Company Granite Bello Dining Table, 42" x 70" x 31"
Product description: The perfect complement to any dinnerthe Granite Bello dining collection will inspire intriguing dinner conversations and the irresistible style will provide a sanctuary for all the senses. The table features a black granite top and legs wrapped in a medium cherry finish.
Product feature: Medium cherry finish with burnish, Hardwood solids and birch veneers, Contemporary Style, Solid hardwood legs, Genuine Granite Veneer
Product price: $74.99
Product brand: Steve Silver
Target attributes: Shape
Answer: attribute: shape
value: None
source: None