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: Daylight 20 Watt Replacement Bulb
Product description: Replacement Daylight Spiral Bulb is a 20 watt low energy and heat daylight simulation bulb. It allows for excellent color matching and clarity at any time of the day or night. For use in U21028 U21037 U21077 and U21038.
Product feature: Excellent color matching and clarity night or day, Equivalent light output of 100 watt bulb using less energy, replacement for U21028 U21037 U21077 and U21038
Product brand: Daylight
Target attributes: Type
Answer: attribute: type
value: None
source: None