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: Natural Steps Ava Mary Jane (Infant/Toddler)
Product description: Kids like color. Moms like style. Thats what Natural Steps is all about. With extensive knowledge in the childrens shoe industry, Natural Steps offers great-fitting styles that kids have fun wearing. Natural Steps adheres itself to high quality and safety standards with durable uppers and flexible outsoles. All styles are fit tested to real kids for comfort and true shoe-industry sizing.
Product feature: 100% Leather, Rubber sole, Package Dimensions: 6.7 x 6 x 3.1 inches, Shipping Weight: 2.4 ounces, ASIN: B004SZHCIG, Item model number: Ava - K, Date first listed on Amazon: May 2, 2011, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 3 customer reviews
Product brand: Natural Steps
Target attributes: Type
Answer: attribute: type
value: shoe
source: product description