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: LumiSource Firefly Floor Lamp
Product description: With vibrant, multi-colored glass sconces spiraling into whimsical designs, you can twist the arms to create your own artisitc display. Each of its 10 arms takes a 10 watt halogen bulbs and features a clean chrome finish.
Product feature: 10 posable arms, foot pedal, adds color to any room, round, glass sconce, 10"Wx56"H
Product brand: LumiSource
Target attributes: Style
Answer: attribute: style
value: None
source: None