Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: MUFFINS / DARIOLES 3.6 oz CUP CAKE 12 Moulds
Product description: 3 5/16 Depth 1 3/8, 12 Moulds, 18" x 13" Sheet
Product feature: 3.6 oz CUP CAKE
Product price: $105.55
Product brand: Demarle
Target attributes: Shape
Answer: attribute: shape
value: None
source: None