Definition: 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.
Input: 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 .
Output:
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 .