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: General Pencil 20GP General's Classic Sketching and Drawing Kit
Product description: Twenty-one piece set includes charcoal, graphite and pastel pencils. Also has a kneaded eraser and a stainless steel sharpener. Ideal for studio, design, illustrations and field sketching.
Product feature: Includes charcoal, graphite and pastel pencils, a kneaded eraser and a stainless steel sharpener, Ideal for studio, design, illustrations and field sketching, Made in the usa, Classic drawing and sketching kit, Includes pastel pencils, charcoal pencils, other assorted pencils, eraser and sharpener, Made in USA
Product price: $17.44
Product brand: General Pencil
Target attributes: Type
Answer: attribute: type
value: sketching and drawing
source: product title
attribute: type
value: drawing
source: product feature