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

Input:
Product title: 128MB Pen Drive (Flash Memory) USB 2.0 (BTE)
Product description: 128MB USB 2.0 Hi Speed Flash Memory Drive 5 MB per sec transfer for Mac and PC 5V self powered Plug and Play Hot Swappable external media portable
Product feature: Standard 128MB USB Flash Drive, Quality drives, reliable and durable backed with warranty!, Cap silver steel design - Perfect for logo printing or customization, Free shipping over $20, save money when you purchase from OEMPCWORLD!, 30 day money back guarantee and lifetime warranty offered by OEMPCWORLD
Product price: $3.50
Product brand: Generic
Target attributes: Capacity
Answer: attribute: capacity
value: 128mb
source: product title
attribute: capacity
value: 128mb
source: product description
attribute: capacity
value: 128mb
source: product feature