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: Aunt Gussie's Sugar Free Spelt Chocolate Chip Almond Biscotti, 8.5-Ounce Clamshell Container (Pack of 5)
Product description: Naturally delicious. 0 Grams trans fat. Made in the USA., Food Allergen Information: Contains eggs, almonds and soy. Tree nuts used in facility., Organic Spelt Flour, Maltitol (Sweetener), Expeller Pressed Canola Oil, Eggs, Chocolate (Maltitol, Chocolate Liquor, Cocoa Butter, Soya Lecithin (an Emulsifier), Vanilla), Almonds, Natural Almond Flavor, Baking Powder (Aluminum Free)., 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: Aunt Gussie's
Target attributes: Fat Content
Answer: attribute: fat content
value: None
source: None