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: Charles Albert Women's 1799 Wedge Sandal
Product description: Charles Albert Footwear is European-inspired, fashion-forward, high-quality shoes at a low price. When buying Charles Albert, you can always be sure that you are getting the latest designs at a great price.
Product feature: 100% Synthetic, Synthetic sole, Heel measures approximately 1", Package Dimensions: 11.2 x 8.9 x 4.1 inches, Shipping Weight: 1.35 pounds, ASIN: B003IOBROI, Item model number: New 1799, Date first listed on Amazon: May 28, 2010, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 1.5 out of 5 stars 6 customer reviews
Product brand: Charles Albert
Target attributes: Type
Answer: attribute: type
value: sandal
source: product title