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 acid rain starts scouring rocks', 'Destroys vegetation', 'Falls onto the ground', 'Acid rain is produced by chemicals that reach into the atmosphere', 'The lack of vegetation alters the surrounding environment.'] 

Ex Output:
  No  


Ex Input:
 ['You find an empty ice cube tray', 'You fill the tray with warm water', 'You carefully place the tray on an even surface in a freezer that is at least 32 degree Farhenheit, the freezing point of water', 'The water begins to get colder until it starts to freeze solid', 'The water expands as it freezes, one of the few liquids that has greater volume as a solid', 'Because you used warm water, the gasses in the water had evaporated out, so you will have nice clear ice cubes without cracks from the trapped gasses'] 

Ex Output:
  Yes  


Ex Input:
 ['The new copies of the virus leave the cell', 'The host gets sick as its cells are damaged.', 'Infect other cells', 'The virus has receptors that lock onto a target cell', 'A virus enters a host body', 'The virus enters the cell', 'The virus uses the cell like a factory to make new copies of the virus'] 

Ex Output:

  No