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: Samsung Electronics 64GB EVO Micro SDXC with Adapter Upto 48MB/s Class 10 Memory Card (MB-MP64DA) with SoCal Trade USB 3.0 High Speed Dual Slot MicroSD HC and SD HC Memory Card Reader
Product description: Samsung Electronics 64GB EVO Micro SDXC with Adapter Upto 48MB/s Class 10 Memory Card (MB-MP64DA) with SoCal Trade USB 3.0 High Speed Dual Slot MicroSD HC and SD HC Memory Card Reader
Product feature: Samsung Electronics 64GB EVO Micro SDXC with Adapter Upto 48MB/s Class 10 Memory Card (MB-MP64DA) with SoCal Trade USB 3.0 High Speed Dual Slot MicroSD HC and SD HC Memory Card Reader, Retail Package, Class 10 UHS-1, SoCal Trade Dual Slot MicroSD and SD USB 3.0 High Speed Card Reader, Listing includes: 1x Memory Card, 1x SD Adapter and 1x Card Reader
Product brand: Samsung
Target attributes: Capacity
Answer: attribute: capacity
value: 64gb
source: product feature
attribute: capacity
value: 64gb
source: product description
attribute: capacity
value: 64gb
source: product title