Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Sperry Top-Sider Men's Billfish 3-Eye Wool,Grey Wool,US 9 M
Product feature: Synthetic, Package Dimensions: 12.6 x 8.7 x 4.6 inches, Shipping Weight: 2.5 pounds, ASIN: B00AN6016O, Item model number: 10281980, Date first listed on Amazon: September 16, 2013, Average Customer Review: 4.0 out of 5 stars 1 customer review
Target attributes: Type
Answer: attribute: type
value: None
source: None