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: Nourison India House (IH18) Green Rectangle Area Rug, 3-Feet 6-Inches by 5-Feet 6-Inches (3'6" x 5'6")
Product description: Nourison India House Green Area Rug
Product feature: Available in Green color, 100% wool, Hand-made, Made in India, Your choice of rug size, Clip this coupon to save 5% on this product when you buy from Amazon.com. Here's how (restrictions apply)
Product price: $14.19
Product brand: Nourison
Target attributes: Area Rug Size
Answer: attribute: area rug size
value: None
source: None