Task: Sentence Ordering
Input (English):  ['The sound wave returns to the bat', 'The sound travels in waves, as sound does', 'Bats and other animals produce a high-pitched tone', 'The bat hears the echoed sound', 'Other animals use echolocation in generally similar ways', 'Folds in the bat's ear and adaptations in the bat's brain enable it to determine the size, shape, and position of the other object via the properties of the returned sound waves', 'The sound "bounces" off of a nearby object'] 
Output (English):   No