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: 54"Wx84"L -Royal Tradition - GALLERIA - Beige - Blackout Thermal insulated Tonal Stripe Window Grommet Panel. Package contains one Panel 84 inch long.
Product description: The Galleria Thermal insulated Blackout Window Curtain Panel simplify the casual and contemporary styling of Home Decor. The highlight of this drapery is the foam back layer or Thermal Backing & Silver metal grommets sewn at the top of the panel. Designed for a look of elegance, the grommets are spaced in such a way that the drapery forms neat pleated gatherings when left partially open. 1.5 Inch Internal Grommet Diameter.100% Polyester
Product feature: Polyester, Package contains ONE Panel 54"W X 84" L, Thermal Insulated Backing, Blocks Over 99% of light than ordinary curtains. Saves on home heating and cooling costs, Triple-Pass Thermal coating back layer, Dry Clean
Product price: $24.99
Product brand: Royal Tradition
Target attributes: Style
Answer: attribute: style
value: grommet
source: product title
attribute: style
value: panel
source: product feature
attribute: style
value: panel
source: product title
attribute: style
value: panel
source: product description