In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Q: The Advertising Council , mostly called the Ad Council , is an American non-profit organization that creates public service announcements on behalf of sponsors , including non-profit organizations and the United States government .

A: The Advertising Council , commonly known as the Ad Council , is an American nonprofit organization that produces , distributes , and promotes public service announcements on behalf of various sponsors , including nonprofit organizations , non-governmental organizations and agencies of the United States government .
****
Q: The serous membrane covering the heart and lining the is called the pericardium , the serous membrane lining the and surrounding the lungs is called the pleura , and that lining the and the viscera is called the .

A: The serous membrane covering the heart and lining the mediastinum is referred to as the pericardium , the serous membrane lining the thoracic cavity and surrounding the lungs is referred to as the pleura , and that lining the abdominopelvic cavity and the viscera is referred to as the peritoneum .
****
Q: The 2019 FIFA Women 's World Cup was the eighth FIFA Women 's World Cup .

A:
The 2019 FIFA Women 's World Cup was the eighth edition of the FIFA Women 's World Cup , the quadrennial international football championship contested by 24 women 's national teams representing member associations of FIFA .
****
