Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Single Source Party Supplies - 36" Holographic Silver Star Mylar Foil Balloon
Product description: Single Source Party Supplies - 36" Holographic Silver Star Mylar Foil Balloon
Product feature: Save 5% each on Qualifying items offered by Single Source Party Supply when you purchase 5 or more. Here's how (restrictions apply), Save 10% each on Qualifying items offered by Single Source Party Supply when you purchase 10 or more. Here's how (restrictions apply)
Product price: $9.68
Product brand: Single Source Party Supplies
Target attributes: Theme
Answer: attribute: theme
value: None
source: None