Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Clear Transparent Screen Protector LCD Shield Guard for KYOCERA E3100 RIO [WCM271]
Product description: This product protects your phone screen against scratching, scraping and abrasion. It can be easily removed without leaving any residuary mark and resist to any erosion and fingerprint. Picture shows screen protector in color for viewing purpose, actual screen protector is transparent. Superior screen protection that is reusable and washable
Product feature: Expect better quality than any other screen protector., Shield against dust, scratches, and waterproof., Ultra Thin and 100% transparent. Invisible protection for your phone., Custom Design to fit you phone perfectly., It can be easily removed without leaving any residuary mark and resist to any erosion and fingerprint.
Product brand: WC
Target attributes: Device Type
Answer: attribute: device type
value: phone
source: product description
attribute: device type
value: kyocera
source: product title
attribute: device type
value: phone
source: product feature