Multi-choice problem: Continue writing the next sentence in this paragraph:

A group of members in green uniforms walks waving flags. Members of the procession walk down the street holding small horn brass instruments. a drum line

Options: i. services as the procession walks.; ii. with drums follows the processional that leads the marching band into the parade with several large balloons in the middle.; iii. is then opened with the closure to form a band.; iv. passes by walking down the street playing their instruments.;
iv.