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

Input:
Product title: Panasonic Lumix DMC-ZS8 Digital Camera Memory Card 8GB (SDHC) Secure Digital High Capacity Class 4 Flash Card
Product description: 8GB (SDHC) Secure Digital High Capacity Class 4 Flash Card
Product feature: 8GB (SDHC) Secure Digital High Capacity Class 4 Flash Card
Product price: $9.98
Product brand: Transcend
Target attributes: Format
Answer: attribute: format
value: sdhc
source: product feature
attribute: format
value: sdhc
source: product title
attribute: format
value: sdhc
source: product description