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: Superior Nut Salted Cashew Halves and Pieces, 24-Once Canisters (Pack of 3)
Product description: Superior Nut Salted Cashew Halves and Pieces comes in a 9 ounce can. They are absolutely delicious and very addictive, our Salted Halves and Pieces Cashews are guaranteed to please friends and family. The company has a strong social and environmental commitment in its mission to produce the finest nut products in the world. We have been recognized with a prestigious Environmental Merit Award from the U.S. Environmental Protection Agency for our forest plantation in Central America. This forest plantation absorbs all the carbon dioxide we emit as an energy consuming food manufacturing plant. This is an efficient model for every business in this country to reduce it's emissions that cause global warming., Cashews, Peanut and/or Cottonseed Oil, Salt. Allergen Information: This Product is Produced At A Facility Producing Peanuts and Other Nut Products. may Contain Peanut and/or Other Tree Nut Parts., 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 brand: Superior Nut Company
Target attributes: Preparation
Answer: attribute: preparation
value: None
source: None