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: K9 Bros Liver of Lamb Dog Treats
Product description: Seasoned with Flaxseeds and Broccoli Florets! NATURAL MULTI-VITAMINS! Your money back if your best friend is not completely satisfied!
Product feature: NYC Locally made with same meat that is served in finest restaurants, 100% USDA Human Grade Liver Jerky! Perfect for dog obedience training, Healthy Dog Treat free of hormones, antibiotics and fillers!, Just three ingredients! Liver of Lamb, Flaxseeds, and Broccoli Florets!, Healthy dog treats and puppy treats reduce bad dog breath
Product price: $11.99
Product brand: K9 Bros
Target attributes: Chew Type
Answer: attribute: chew type
value: None
source: None