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: Tetley Masala Tea - NEW! (72 tea bags)
Product description: Tetley's premium tea is now selected and blended with Masala flavor, creating a truly enjoyable cup of tea. Tetley's famous round tea bag has 2000 perforations to allow the full-bodied flavor to flow through. It is also a natural source of antioxidants. So go ahead and enjoy a superior cup of masala tea and discover the heavently taste that Tetley has to offer. Ingredients: Black tea, natural flavors. Don't forget to try the other 2 NEW flavors and 1 new selection from Tetley: Elaichi Flavor, Ginger Flavor, and our newest addition, Tetley Premium Loose Leaf Tea!!, Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product price: $9.99
Product brand: Tetley
Target attributes: Form
Answer: attribute: form
value: bag
source: product description
attribute: form
value: bags
source: product title