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: Sterling Silver True Love Heart European Style Bead Charm
Product description: Made of sterling silver and is fully compatible with standard European charm bracelets.
Product feature: Slide-on (Not Threaded) Charm, Solid 925 Sterling Silver in Antiqued Finish, Approximately 4.5mm Hole Size, Fully compatible with European-style Charm Bracelets., Package Dimensions: 2 x 1.2 x 0.2 inches, Shipping Weight: 0.32 ounces ( View shipping rates and policies ), ASIN: B00U5GSCN6, Item model number: PA2219X1, Date first listed on Amazon: March 2, 2015, Average Customer Review: 5.0 out of 5 stars 2 customer reviews
Product price: $19.68
Product brand: Queenberry
Target attributes: Type
Answer: attribute: type
value: charm bracelets
source: product description
attribute: type
value: charm bracelets
source: product feature
attribute: type
value: bead charm
source: product title
attribute: type
value: charm
source: product feature