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: Miss Me Women's Ralph-4 Boot
Product description: Launched in 2001, Miss Me footwear quickly became a distinguished footwear brand nationwide. Miss Me's products blend new materials and fresh silhouettes into contemporary styles. Miss Me delivers versatility, cutting-edge fashion, and affordability to consumers every season.
Product feature: 100% Synthetic, Rubber sole, Shaft measures approximately 9 1/2" from arch, Heel measures approximately 1 1/2", Platform measures approximately 1/2", Boot opening measures approximately 13" around, Package Dimensions: 13.1 x 11.9 x 4.4 inches, Shipping Weight: 2.75 pounds, ASIN: B003SWKEHG, Item model number: Ralph-4, Date first listed on Amazon: November 18, 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: 3.4 out of 5 stars 7 customer reviews
Target attributes: Type
Answer: attribute: type
value: boot
source: product title
attribute: type
value: boot
source: product feature