Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: KITTEN CATFOOD IAMS 3.2# by IAMS MfrPartNo 111249
Product description: Iams ProActive Health Kitten Dry Cat Food.The first 12 months of life are important in your kitten'-s development. Iams Kitten delivers the nutrition kittens need to keep her growing strong, healthy and vibrant. This specially formulated diet builds strong muscles and provides protein-rich nourishment that is easy to digest. Select natural ingredients with added vitamins, minerals and amino acids for energy and vitality. Iams ProActive Health Kitten Food is enriched with essential amino acids to boost the immune system, fish oil for brain and vision development, and taurine for healthy heart and eyes. Plus, each crunchy kibble scrubs teeth with every bite and reduces the causes of gum disease. With Iams, you know you'-re getting 100% complete and balanced nutrition that'-s made just for kittens and pregnant or lactating cats..Ingredients: Chicken, Chicken By-Product Meal, Corn Meal, Chicken Fat (preserved with mixed Tocopherols, a source of Vitamin E), Dried Beet Pulp, Ground Whole Grain Sorghum, Dried Egg Product, Natural Flavor, Fish Oil (preserved with mixed Tocopherols, a source of Vitamin E), Potassium Chloride, Fructooligosaccharides, Choline Chloride, Calcium Carbonate, Brewers Dried Yeast, DL-Methionine, Salt, Vitamins (Vitamin E Supplement, Niacin, Ascorbic Acid, Vitamin A Acetate, Calcium Pantothenate, Biotin, Thiamine Mononitrate (source of vitamin B1), Pyridoxine Hydrochloride (source of vitamin B6), Vitamin B12 Supplement, Riboflavin Supplement (source of vitamin B2), Inositol, Vitamin D3 Supplement, Folic Acid), Taurine, Minerals (Zinc Oxide, Manganese Sulfate, Copper Sulfate, Potassium Iodide, Cobalt Carbonate), Rosemary Extract..Guaranteed Analysis: Crude Protein, minimum 33.00% Crude Fat, minimum 21.00% Crude Fiber, maximum 3.00% Moisture, maximum 10.00% Ash, maxi
Product brand: Iams
Target attributes: Life Stage
Answer: attribute: life stage
value: kitten
source: product description
attribute: life stage
value: kitten food
source: product description
attribute: life stage
value: kitten
source: product title