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: Snoozies. Women's Cozy Slipper
Product feature: Package Dimensions: 8.7 x 5 x 3 inches, Shipping Weight: 1.6 ounces, ASIN: B00749XIB8, Date first listed on Amazon: March 9, 2016, Average Customer Review: 3.4 out of 5 stars 11 customer reviews
Product brand: Snoozies
Target attributes: Type
Answer: attribute: type
value: slipper
source: product title