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: Adventure Time 12" Plush Finn
Product description: It's all your favorite Adventure Time cartoon characters as a new series of adorable plush! Super soft and huggable, this plush Finn measures 12-inches tall. Officially licensed, collect all your favorite Adventure Time characters!
Product feature: It's all your favorite Adventure Time cartoon characters as a new series of adorable plush!, Plush stands 12-inches tall., Super soft and huggable!, Collect all your favorite Adventure Time characters!, Officially Licensed
Product brand: Adventure Time
Target attributes: Form
Answer: attribute: form
value: None
source: None