Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Cadet Triple Chew Dog Treats, Chicken, Pork & Sweet Potato, 6 Count
Product description: Cadet Triple Chew Chicken Dog Treats are three naturally delicious dog treats in one! This limited-ingredient dog treat is a real pork hide roll stuffed with sweet potato and wrapped with real chicken, packing a medley of wholesome flavors in one long-lasting dog treat that will keep dogs busy and happy. Plus, these healthy dog snacks promote dog dental health by preventing plaque and tartar buildup as your dog chews.
Product feature: Real Chicken, Pork Hide, And Sweet Potato Dog Treats, Sweet Potato And Chicken Dog Treats Wrapped Around Real Pork Hide For Triple The Flavor, High-Protein, Low-Fat Dog Treats With Limited-Ingredient Formula Are Healthy And Delicious, Long-Lasting Dog Chews Keep Dogs Busy, Pork Hide Chews Help Clean Teeth And Freshen Breath"
Product price: $8.44
Product brand: Cadet
Target attributes: Chew Type
Answer: attribute: chew type
value: None
source: None