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: Caterpillar CAT Transform Leather Casual Mens Boots
Product description: Caterpillar Transform Mens Nubuck Leather Ankle Boots - A tough ankle style boot designed to with stand the tread of a working man! Nubuk upper with 4 tie lace up front and neat stitching detail. Topped off with a maximum traction sturdy, rubber sole unit Full Grain Leather Upper Nylon Mesh Lining Nylon Mesh Sock Liner T868 Outsole Cement Construction
Product feature: Leather, Rubber sole, Caterpillar Transform Mens Nubuck Leather Ankle Boots, Caterpillar, Money back satisfaction guarantee, Package Dimensions: 13.9 x 10.9 x 4.9 inches, Shipping Weight: 3.31 pounds, ASIN: B002UJ0XLA, Item model number: Transform P7, Date first listed on Amazon: December 21, 2011, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Type
Answer: attribute: type
value: boot
source: product description
attribute: type
value: boots
source: product feature
attribute: type
value: boots
source: product description
attribute: type
value: boots
source: product title