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: Rockport Work Men's FE685 Steel-Toed Work Boot
Product feature: 100% Leather, Rubber sole, Package Dimensions: 12 x 8 x 4 inches, Shipping Weight: 2 pounds, ASIN: B004PZTSV8, Item model number: FE685-M, Date first listed on Amazon: October 28, 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: 3.7 out of 5 stars 4 customer reviews
Target attributes: Type
Answer: attribute: type
value: boot
source: product title