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: Poundex Glow Swivel Barstool with 24-Inch Height or 29-Inch Height Adjustable Height, Set of 2
Product description: The ''Sophia'' barstool collection features a selection of two contemporary styled chairs with round upholstered seat cushions in a light color framed in a dark metal finish with a unique back support of "X" and circular shapes.
Product feature: Adjustable 24"h and 29"h seat, Durable metal frame legs, Microfiber seat cushion and back support
Product price: $14.20
Product brand: Poundex
Target attributes: Type
Answer: attribute: type
value: barstool
source: product title
attribute: type
value: barstool
source: product description