Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Memorex USB 2.0 32GB TravelDrive Capless (99225)
Product description: Combining all of todays most popular flash drive features, Memorexs Capless TravelDrive is not just a flash drive - its a sport utility drive. With a capless design and distinctive form, the Memorex TravelDrive is offered in a range of colors. The drive features a large ring for clip on storage and an LED indicator that further distinguishes this portable storage device. As an added safety feature, the TravelDrive comes with optional Lock security software making this drive as safe as it is stylish.
Product feature: Capless design swings out 360 degrees from protective shell, Includes Lock security software, featuring password protection*, LED indicates drive status, Cross-platform compatible works with Windows, Mac and Linux, Compatibility: Microsoft Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2000; Mac OS 9.1 or higher; Linux
Product brand: Memorex
Target attributes: Capacity
Answer: attribute: capacity
value: 32gb
source: product title