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: Green unisex Ultrasound picture frame w/bow and charm - 4x6
Product description: Green unisex ultrasound picture frame with bow & charm. Holds a 4x6 picture. Great for a boy or a girl!
Product feature: Green Ultrasound Picture Frame, 4x6, Great for a boy or a girl!
Product brand: Cherished Teddies
Target attributes: Type
Answer: attribute: type
value: None
source: None