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: Bass G.H Mens Pearce Chukka Boot Suede Shoes 10.5 Taupe
Product description: High quality, authentic brand name product.
Product feature: Leather, Suede Leather upper, 2 eyelet lacing, Padded footbed for comfort, Man made sole provides traction, Package Dimensions: 15.2 x 8.5 x 5.1 inches, Shipping Weight: 3 pounds, ASIN: B00TCQP3V4, Item model number: 88672, Date first listed on Amazon: February 8, 2015, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Bass
Target attributes: Type
Answer: attribute: type
value: boot
source: product title
attribute: type
value: chukka
source: product title