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: Greencycle 1 PK Compatible TN115 Cyan Toner Cartridge for Brother MFC-9840CDW HL4040CDN Printer
Product description: TN115 Cyan toner cartridge is the compatible replacement of the Non-OEM model. It is manufactured with the highest standards of quality, reliability and compatibility. We guarantee our products without defects in materials and workmanship. If the product is found to have problems under normal circumstance, demand for a return is acceptable. Meeting standards of ISO 9001&14001, we produce our products with 100% new components.
Product feature: Color:Cyan, Full 1 year warranty against manufacturer defects and print quality., Compatible new toner cartridges unconditionally guaranteed to provide same performance and reliability as genuine Brother toner cartridges., Yield: Toner Cartridge up to 4,000 pages at 5% coverage (Letter size Paper) Actual toner yield varies with usage, graphics printed and environmental conditions., Compatible Brother Printer below: DCP-9040CN / DCP-9045CDN / HL-4040CDN / HL-4040CN / HL-4070CDW / MFC-9440 / MFC-9640CW / MFC-9840
Product price: $18.88
Product brand: greencycle
Target attributes: Type
Answer: attribute: type
value: toner cartridges
source: product feature
attribute: type
value: toner cartridge
source: product feature
attribute: type
value: toner cartridge
source: product title
attribute: type
value: toner cartridge
source: product description