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: HUMMINGBIRD WELCOME SIGN
Product description: This beautifully colored and designed 3-D welcome sign will be a wonderful addition to your home, yard or garden.
Product feature: Measures Approx. 18" x 12"., All Metal Construction., 3-D Dimensional Design., Constructed For Easy Mounting or Hanging.
Product price: $12.95
Product brand: Russ
Target attributes: Location
Answer: attribute: location
value: None
source: None