Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Boss 2KP200113 Men's Black Rubber Boots, Size 13
Product description: Boss gloves 2kp200113 size 13 black men's pvc knee boot
Product feature: Men's economy PVC knee boot, Cleated outsole, Black, Size 13
Product price: $30.83
Product brand: BOSS / CAT GLOVES
Target attributes: Type
Answer: attribute: type
value: boot
source: product description
attribute: type
value: boot
source: product feature
attribute: type
value: boots
source: product title