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: Rosti Margrethe Mixing Bowl - Melamine - 2 L - Red
Product description: This melamine "Margrethe" mixing bowl is nice and deep for mixing batters. A rubberized ring on the base of the bowl prevents slipping as you whisk, beat, or stir. A wide edge on one side of the bowl allows you to properly grip and steady the bowl when beating, and a pouring lip on the other side makes it easy to pour the batter into cake pans. Not intended for use in microwave. Melamine is resistant to scratches, stains, and odour transfer and is heat resistant to 356F/180C. Size: 2 L Colour/Pattern: Red Capacity: 2 quarts/2.1 litres Dimensions: 7"Dia 4"D (5"H) Materials: Melamine Care: Dishwasher safe
Product feature: This melamine "Margrethe" mixing bowl is nice and deep for mixing batters. A rubberized ring on..., Sold individually, Capacity: 2 quarts/2.1 litres, Colour/Pattern: Red, Dimensions: 7"Dia 4"D (5"H)
Product price: $16.00
Product brand: Rosti Margrethe
Target attributes: Material
Answer: attribute: material
value: melamine
source: product description
attribute: material
value: melamine
source: product title
attribute: material
value: melamine
source: product feature