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:
 ['You place aluminum cans and other products into recycling bins', 'Your town or a private company collect and transport the aluminum to a recycling facility', 'The aluminum is sorted and cleaned at the central recycling facility', 'The aluminum is melted down to remove coatings and inks', 'The melted aluminum is formed into large formations called ingots', 'The ingots are transported to another facility and rolled out to make them easier to manipulate', 'The ingots can now be turned into new aluminum products.'] 

Ex Output:
  Yes  


Ex Input:
 ['The liver filters blood from the digestive tract', 'The liver produces bile', 'The liver produces proteins for blood plasma', 'The liver converts excess glucose into glycogen for storage', 'The liver converts ammonia to urea', 'The liver regulates blood clotting.'] 

Ex Output:
  Yes  


Ex Input:
 ['Acid rain flows through soil', 'Chemicals from the acid rain kill plants and trees', 'The acid rainwater flows into rivers and streams', 'The chemicals kill fish', 'The chemicals kill animals that drink the water', 'Nitrogen builds up', 'Nitrogen destroys fish and shellfish populations.'] 

Ex Output:

  Yes