Complex sentence: The Robert Ostertag House is a historic home located at Kansas City, Missouri It was designed by architect Mary Rockwell Hook and built in 1922 for $15,000 for Robert A. Ostertag, president of a tin can company.
Split into simpler sentences: The Robert Ostertag House, in Kansas City, Missouri, was designed by architect Mary Rockwell Hook. It cost $15,000 and was built for Robert A. Ostertag, president of a tin can company.