Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Rishi Matcha Super Green Tea, Organic Green Tea Sachet Bags, 15 Count
Product description: Matcha Super Green is named for its vivid emerald green infusion and bountiful natural energy provided by pure Japanese matcha. This signature Rishi flavor combines organic sencha and organic stone-ground matcha green teas grown in the fertile volcanic soils in southern Japan's Kyushu region., Organic green tea., WARNING: Consuming this product can expose you to chemicals including lead, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov/food., 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 feature: We believe that organic certified teas and herbs, grown without the use of agrichemicals like pesticides and fertilizers, are generally healthier for the environment, farmers, and tea drinkers alike., Over 95% of the ingredients that we import are certified organic according to the USDA NOP standard*. We have even helped several producers convert from conventional to organic.
Product price: $7.99
Product brand: Rishi Tea
Target attributes: Black Tea Variety
Answer: attribute: black tea variety
value: None
source: None