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: Dave'S Naturally Healthy Chicken Formula For Cats, 12.5 Oz Can (Case Of 12 )
Product description: Daves Naturally Healthy Canned Cat Food is the best value for a good quality canned cat food you can buy. If you read the ingredient panel, you will notice it is loaded with real chicken - a terrific source of protein.
Product feature: No Cereal, Filler, By-Products, Wheat, Soy Or Gluten. Added Vitamins And Minerals To Make Sure Your Cat Gets The Proper Nutrition She Needs To Thrive, Ingredients: Chicken, Chicken Broth, Chicken Liver, Turkey, Guar Gum, Sweet Potatoes, Potassium Chloride, Carrageenan, Carrots, Zucchini,, Minerals (Iron Proteinate, Zinc Proteinate, Copper Proteinate, Manganese Proteinate, Sodium Selenite, Potassium Iodide), Vitamins (Vitamin E Supplement, Thiamine Mononitrate,, Niacin Supplement, D-Calcium Pantothenate, Pyridoxine Hydrochloride, Riboflavin Supplement, Vitamin A Supplement, Biotin, Vitamin D3 Supplement, Vitamin B12 Supplement,, Folic Acid), Choline Chloride, Cranberries, Blueberries, Taurine, Salt
Product price: $24.99
Product brand: Dave's Pet Food
Target attributes: Size
Answer: attribute: size
value: 12.5 oz
source: product title