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: CybrTrayd Washington State Cookie Cutter, Silver
Product description: Tinplated Steel Washington State Cookie Cutter. Hand wash and dry thoroughly before storing. Great for cutting cookie dough, craft clay, soft fruits.
Product feature: Durable, heavy duty tinplate steel, Cleanup with warm, soapy water, towel dry, Great for cutting cookie dough, craft clay, soft fruits, Not Dishwasher Safe, Measures 4 x 2 x .75
Product price: $7.31
Product brand: CybrTrayd
Target attributes: Quantity
Answer: attribute: quantity
value: None
source: None