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: Waverly Forever Yours Fabric Tablecloth - 70" Round -
Product feature: 70in. Round Easy Care Tablecloth, 100% polyester, Seats: 4-6 People, Machine Washable
Product brand: Waverly
Target attributes: Shape
Answer: attribute: shape
value: round
source: product title
attribute: shape
value: round
source: product feature