Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: High School Of The Read Anime Comic Game ACG Customized USB Flash Drive 16GB
Product description: Credit Card size USB Flash Drive, port USB 2.0 Good quality, can put in your wallet just like a credit card
Product feature: Credit Card USB Flash Drive U disk USB stick Memory, 16GB Memory USB 2.0, Same size as your Credit Card easy put in your wallet, Customized Support Services Ready, ACG_HIGH SCHOOL OF THE DEAD_017_018
Product brand: Woocoo
Target attributes: Capacity
Answer: attribute: capacity
value: 16gb
source: product title
attribute: capacity
value: 16gb
source: product feature