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

Input:
Product title: Anagram International Mickey's Clubhouse Birthday Foil Balloon Pack, Multicolor
Product description: Hx Mickey's Clubhouse Birthday Foil Balloon. This balloon features Mickey Mouse in the middle of the balloon and the words Happy Birthday printed on both the front and back of the balloon.
Product feature: Foil Balloon, Self-sealing valve, Easy to Follow Instructions, Fill with Helium, Great for Parties
Product price: $3.32
Product brand: Anagram International
Target attributes: Quantity
Answer: attribute: quantity
value: None
source: None