You need to answer the question 'Are the given steps in order?', given a set of steps describing a process. Your answer must be either Yes or No. If the answer is No, that means the steps are out of order and do not make sense in the order they are in. If the answer is Yes, that means the steps are in order and make sense in the order that they are in. A set of steps are not in order if the steps reference information that is introduced in a later step

Ex Input:
 ['The bird picks a tree', 'The bird adds softer material to the inside', 'The bird collects twigs and other refuse', 'The bird makes a flat base with twigs', 'The nest is done.', 'The bird makes sides with twigs and other things'] 

Ex Output:
  No  


Ex Input:
 ['Air enters the nose or mouth and travels through the windpipe into the lungs', 'Oxygen travels from the alveoli into the blood', 'Carbon dioxide travels through the throat and is exhaled.', 'Oxygen-rich blood is pumped throughout the body by the heart', 'The lungs have a series of smaller and finer tubes and sacs', 'Air reaches the smallest and finest air sacs called alveoli', 'Cells take in the oxygen rich blood and release carbon dioxide rich blood', 'Oxygen-rich blood is carried to the heart', 'The carbon dioxide rich blood travels to the lungs'] 

Ex Output:
  No  


Ex Input:
 ['Digested food affects the amount of sugar in the blood', 'The pancreas releases enzymes to aid digestion', 'The pancreas releases another hormone to raisethe blood sugar (glucose) level.', 'Food begins to be processed by the digestive system', 'Food enters the body', 'The pancreas releases one hormone to lower the blood sugar (glucose) level'] 

Ex Output:

  No