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: Frontier Herb Green Tea, 1 Pound
Product description: A robust tea to pair with grilled vegetables, seafood, chicken and pork. Or try Gunpowder in small sake cups with smoked salmon or mini pot stickers at a cocktail party. Botanical Name: Camellia saneness L. Directions: To enjoy, pour 6 oz. simmering water (170F preferred) over one teaspoon of tea. Steep 2-4 minutes, strain and serve immediately. Caffeine: Contains Caffeine Product Notes: Gunpowder green tea is a very broth, green, slightly smoky, light-bodied tea. Origin: China Fair Trade: Fair Trade Certified Organic: QAI Certified Organic Kosher: KSA Certified, Chilis can be irritating to eyes and skin. Use caution when handling., Frontier Natural Products - Cayenne Chili Powder Ground 90,000 HU - 1 lb. (453 g) Supplement Facts Serving Size: 1/4 tsp (0.6 g), 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: $9.77
Product brand: Frontier
Target attributes: Black Tea Variety
Answer: attribute: black tea variety
value: None
source: None