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: Cynthia Rowley Fabric Tablecloth Mustard Yellow Rust Orange Paisley on Cream 70 Inches Round
Product description: Beautiful Fall Autumn Tablecloth Pattern for the Holidays
Product feature: Cynthia Rowley Fabric Tablecloth, Mustard, Yellow, Rust, Orange Paisley on Cream, 70" Round -- Seats 6-8, 100% Cotton, Machine Washable
Product brand: Cynthia Rowley New York
Target attributes: Shape
Answer: attribute: shape
value: round
source: product title
attribute: shape
value: round
source: product feature