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: Stanley Roberts 6 piece Cutlery/Cutting Board Set
Product description: Set Includes 5 Knives That store Inside Cutting Board.
Product feature: Dishwasher safe, Never Needs Sharpening
Product brand: Stanley Roberts
Target attributes: Material
Answer: attribute: material
value: None
source: None