Martha Stewart Living Omnimedia Inc. (MSO) is a diversified media and merchandising company founded by Martha Stewart owned by Sequential Brands Group since December 4, 2015. It is organized into four business segments: Publishing, Internet, Broadcasting media platforms, and Merchandising product lines. Using only the above description and what you know about the world, "Sequential Brands Group has not owned MSO for four years." is definitely correct, incorrect, or inconclusive? 