Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: 7 Weapons Miku Hatsune Bags/Japanese Anime Unisex Bags/ Full Size School Backpack (Blue/Black)#A
Product description: *Miku Hatsune Japanese Anime Full Size School Backpack (Blue/Black) *This price is very worthful.You can buy it for yourself or buy it as a gift for you friend.This is a feedback for all the Miku Hatsune fans.
Product feature: Size: about 48CM * 33CM, Thicker strap, can help decompression, printing does not fade, Miku Hatsune Japancese Anime Backpack, Material: High sail leather
Product brand: 7 weapons
Target attributes: Type
Answer: attribute: type
value: school backpack
source: product title
attribute: type
value: school backpack
source: product description