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:
 ['Sugar enters the body', 'Bloodstream', 'The pancreas', 'Insulin lower sugar levels', 'Bloo sugar goes back to normal.'] 

Ex Output:
  Yes  


Ex Input:
 ['Batteries are put in a flashlight', 'The flashlight is turned on', 'Two contact strips touch one another', 'A circuit is completed between the batteries and the lamp', 'The lamp in the flashlight begins to glow', 'The reflector in the flashlight directs the lamp's beam', 'A straight beam of light is generated', 'The flashlight is turned off', 'The circuit is broken', 'The beam is no longer visible.'] 

Ex Output:
  Yes  


Ex Input:
 ['Acid rain makes waters acidic', 'Causes them to absorb aluminum from soil', 'The water runs off from the soil into lakes, streams, etc', 'Fish and their eggs die', 'Frogs and plants die', 'Insects and other wildlife die', 'The ecosystem is out of balance, causing further problems'] 

Ex Output:

  Yes