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 thermostat senses that the temperature has dropped', 'A signal is sent to the heating system', 'Heating oil travels from the tank to the burner', 'The oil becomes a fine mist mixed with air', 'The oil/air combination is injected into the burner', 'The burner is ignited in the combustion chamber', 'The furnace heats the air', 'The blower sends the heated air through the ducts', 'The heated air comes out the vents and into the room.'] 

Ex Output:
  Yes  


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

Ex Output:
  No  


Ex Input:
 ['Gather the ingredients for the cake', 'Mix the flour, sugar, egg, and water to make batter', 'Pour the mixture into a cake pan', 'Place the cake in the oven to cook', 'Take the cake out when it is cooked through', 'Let the cake cool', 'Serve the cake'] 

Ex Output:

  Yes  


