Task: Sentence Ordering
Input (English): Oxygen travels from the alveoli into the blood, Oxygen-rich blood is carried to the heart, Cells take in the oxygen rich blood and release carbon dioxide rich blood, Air reaches the smallest and finest air sacs called alveoli, Carbon dioxide travels through the throat and is exhaled., The carbon dioxide rich blood travels to the lungs, The lungs have a series of smaller and finer tubes and sacs, Oxygen-rich blood is pumped throughout the body by the heart, Air enters the nose or mouth and travels through the windpipe into the lungs
Output (English):   No