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: Aurabeam 915P061010 Mitsubishi WD-65833 TV Lamp
Product description: Aurabeam 915P061010 Mitsubishi WD-65833 TV Lamp
Product feature: Aurabeam Projector solutions. From the economic to the professional versions our lamps ensure great quality, Economic version: Affordable option for the low use consumer, designed to ensure the best quality on a low budget, Easy install: Housing included, minimize installation time to make sure your device is back in action!, Contact: Do you have an issue or question regarding the lamp or the compatibility of your device? Email us, our Customer Service is here to help you., User Protection: The Economic series lamps include a 90 day replacement warranty and a 30 day refund warranty,
Product price: $39.99
Product brand: Aurabeam
Target attributes: Lamp / Bulb
Answer: attribute: lamp / bulb
value: lamp
source: product title
attribute: lamp / bulb
value: lamps
source: product feature
attribute: lamp / bulb
value: lamp
source: product description
attribute: lamp / bulb
value: lamp
source: product feature