Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: CybrTrayd RM-1289 R&M Maple Leaf, Canadian National Symbol 3" Cookie Cutter, Metallic
Product description: CybrTrayd-R&M Heavy-duty tinplate steel cookie cutter with Maple Leaf design. Built strong, to hold its shape.
Product feature: Measures 3", Hand wash and dry thoroughly before storing., Add some Canadian patriotism to your cookies!, Great for cutting cookie dough, craft clay, soft fruits
Product price: $4.30
Product brand: CybrTrayd
Target attributes: Theme
Answer: attribute: theme
value: None
source: None