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: Ergo Ladle, Green
Product description: ARG removes the middleman allowing customers to purchase products at factory direct pricing. Producing the highest quality tools to suit any kitchen. ARG creates products from silicon, plastics, resin rubber, stainless steels, aluminum and other metal alloys in style designs. Join the modern revolution with these stylish designs and colors from the Ergo line.
Product feature: Dishwasher Safe, Ergonomic Handle, Safe for use on Non-Stick Surface, Limited Lifetime Warranty, Durable Plastic Handle
Product brand: ARG Manufacturing
Target attributes: Capacity
Answer: attribute: capacity
value: None
source: None