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: Lindt Lindor Truffles White Chocolate with Smooth Filling 5.1 Oz , PAK of 2
Product description: White Chocolate Truffles, 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: $16.95
Product brand: Lindt
Target attributes: Shape
Answer: attribute: shape
value: truffles
source: product description
attribute: shape
value: truffles
source: product title