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

Ex Output:
  No  


Ex Input:
 ['Your tongue helps out, pushing the food around while you chew with your teeth', 'The esophagus moves food from the back of your throat to your stomach', 'Strong muscles in the walls of the stomach and gastric juices break down food in your stomach', 'The saliva breaks down the chemicals in the food a bit, which helps make the food mushy and easy to swallow', 'Your stomach moves the food into the intestines to complete digestion'] 

Ex Output:
  No  


Ex Input:
 ['The earth changes energy from the sun into heat', 'Heat rises from the ground', 'Greenhouse gas molecules in the atmosphere prevent the heat from going into space', 'The temperature continues to rise and melts the polar ice caps', 'The temperature rises even faster.', 'Greenhouse gases are released into the air by human activities', 'The temperature of the earth increases'] 

Ex Output:

  No