Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Milka Bubbly Milk Chocolate Bar 3 oz each (2 Items Per Order)
Product description: Delicious bubbly milk chocolate, imported from Europe. Store in a cool and dry place., 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: $4.36
Product brand: Milka Bubbly
Target attributes: Occasion
Answer: attribute: occasion
value: None
source: None