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: McCall's Sewing Pattern 3416 Boys' Hunting Shirt, Vest & Pants, Y (3 4 5 6)
Product description: Package includes instructions and pattern pieces to make Boy's, Children's Shirt, Vest and Pull-On Pants: Shirt has long sleeves, side vents and patch pocket; vest has front zipper closure, patch pockets and shirttail hem; pants have elastic waist casing, side seam pockets, cargo pockets, and optional elastic at ankle. Out of print pattern from 2001.
Product feature: Copyright 2001, Out of Print Sewing Pattern, Children's Sizes XSmall (3-4), Small (5-6), Chest 22-25", Waist 20 1/2-22", Hip 24-26", Cargo Pants with Optional Elastic at Ankle, Long Sleeve Shirt, Vest
Product price: $10.00
Product brand: McCall
Target attributes: Type
Answer: attribute: type
value: long sleeves
source: product description
attribute: type
value: pants
source: product title
attribute: type
value: shirt
source: product title
attribute: type
value: long sleeve
source: product feature
attribute: type
value: shirt
source: product feature
attribute: type
value: shirt
source: product description
attribute: type
value: pants
source: product feature
attribute: type
value: vest
source: product feature
attribute: type
value: vest
source: product title
attribute: type
value: pants
source: product description