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: Umbra Schnook Over-the-Cabinet Towel Bar
Product description: The Capello bath hardware collection by Umbra was inspired by the fixtures and details found in classical architecture. This graceful collection focuses on cohesive proportions with an antique sensibility, great for a coordinated bathroom look. The 24 inch towel bar comes in two finishes- brushed nickel or chrome and measures 26-1/2 Inch by 3-3/4 Inch by 2-3/4 Inch. Made of die cast zinc, Capello towel bars mount easily to the wall and include hardware and mounting instructions.Designed by Sung Wook Park for Umbra- original, modern, casual, functional and affordable design for the home.
Product feature: Schnook over-the-cabinet towel bar by umbra keeps kitchen towels or other items handy, Nickel-plated metal construction with rubber non-slip bar, Fits most standard kitchen or bathroom cabinet doors, Measures 9-1/2 by 4 by 2-1/2-inch, Design: umbra design group
Product price: $17.19
Product brand: Umbra
Target attributes: Style
Answer: attribute: style
value: bar
source: product feature
attribute: style
value: towel bar
source: product title