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

Input:
Product title: Apple Armband Case for iPod nano 3G (White) (OLD VERSION)
Product description: Apple Armband Case for iPod nano 3G (White) (OLD VERSION)
Product feature: Compatible Brand: For Apple, Color: White, Material: Silicone/Gel/Rubber
Product brand: Apple
Target attributes: Compatibility
Answer: attribute: compatibility
value: for ipod
source: product title
attribute: compatibility
value: for ipod
source: product description