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: Redbarn Grainfree Rolled Dog Food Beef (3 Lbs)
Product description: Redbarn GrainFree Rolled Dog Food Beef (3 lbs)
Product feature: Grain-Free Rolled Dog Food, Over 50% Real Beef Meat, Aafco Certified For All Life Stages
Product brand: REDBARN NATURALS
Target attributes: Type
Answer: attribute: type
value: None
source: None